20089610320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{983}}^1$

素因数の和:1509

約数の個数: 160

約数和(自身を含む): 51636195072

約数和(自身を除く): 31546584752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 457, 520, 559, 688, 860, 914, 983, 1040, 1118, 1720, 1828, 1966, 2236, 2285, 2795, 3440, 3656, 3932, 4472, 4570, 4915, 5590, 5941, 7312, 7864, 8944, 9140, 9830, 11180, 11882, 12779, 15728, 18280, 19651, 19660, 22360, 23764, 25558, 29705, 36560, 39302, 39320, 42269, 44720, 47528, 51116, 59410, 63895, 78604, 78640, 84538, 95056, 98255, 102232, 118820, 127790, 157208, 169076, 196510, 204464, 211345, 237640, 255463, 255580, 314416, 338152, 393020, 422690, 449231, 475280, 510926, 511160, 549497, 676304, 786040, 845380, 898462, 1021852, 1022320, 1098994, 1277315, 1572080, 1690760, 1796924, 2043704, 2197988, 2246155, 2554630, 2747485, 3381520, 3593848, 4087408, 4395976, 4492310, 5109260, 5494970, 5840003, 7187696, 8791952, 8984620, 10218520, 10989940, 11680006, 17969240, 19316933, 20437040, 21979880, 23360012, 29200015, 35938480, 38633866, 43959760, 46720024, 58400030, 77267732, 93440048, 96584665, 116800060, 154535464, 193169330, 233600120, 251120129, 309070928, 386338660, 467200240, 502240258, 772677320, 1004480516, 1255600645, 1545354640, 2008961032, 2511201290, 4017922064, 5022402580, 10044805160, 20089610320]

約数ペア:

[(1, 20089610320), (2, 10044805160), (4, 5022402580), (5, 4017922064), (8, 2511201290), (10, 2008961032), (13, 1545354640), (16, 1255600645), (20, 1004480516), (26, 772677320), (40, 502240258), (43, 467200240), (52, 386338660), (65, 309070928), (80, 251120129), (86, 233600120), (104, 193169330), (130, 154535464), (172, 116800060), (208, 96584665), (215, 93440048), (260, 77267732), (344, 58400030), (430, 46720024), (457, 43959760), (520, 38633866), (559, 35938480), (688, 29200015), (860, 23360012), (914, 21979880), (983, 20437040), (1040, 19316933), (1118, 17969240), (1720, 11680006), (1828, 10989940), (1966, 10218520), (2236, 8984620), (2285, 8791952), (2795, 7187696), (3440, 5840003), (3656, 5494970), (3932, 5109260), (4472, 4492310), (4570, 4395976), (4915, 4087408), (5590, 3593848), (5941, 3381520), (7312, 2747485), (7864, 2554630), (8944, 2246155), (9140, 2197988), (9830, 2043704), (11180, 1796924), (11882, 1690760), (12779, 1572080), (15728, 1277315), (18280, 1098994), (19651, 1022320), (19660, 1021852), (22360, 898462), (23764, 845380), (25558, 786040), (29705, 676304), (36560, 549497), (39302, 511160), (39320, 510926), (42269, 475280), (44720, 449231), (47528, 422690), (51116, 393020), (59410, 338152), (63895, 314416), (78604, 255580), (78640, 255463), (84538, 237640), (95056, 211345), (98255, 204464), (102232, 196510), (118820, 169076), (127790, 157208)]