13135028920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{6217}}^1$

素因数の和:6497

約数の個数: 128

約数和(自身を含む): 33845817600

約数和(自身を除く): 20710788680

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 239, 260, 340, 442, 478, 520, 680, 884, 956, 1105, 1195, 1768, 1912, 2210, 2390, 3107, 4063, 4420, 4780, 6214, 6217, 8126, 8840, 9560, 12428, 12434, 15535, 16252, 20315, 24856, 24868, 31070, 31085, 32504, 40630, 49736, 52819, 62140, 62170, 80821, 81260, 105638, 105689, 124280, 124340, 161642, 162520, 211276, 211378, 248680, 264095, 323284, 404105, 422552, 422756, 528190, 528445, 646568, 808210, 845512, 1056380, 1056890, 1373957, 1485863, 1616420, 2112760, 2113780, 2747914, 2971726, 3232840, 4227560, 5495828, 5943452, 6869785, 7429315, 10991656, 11886904, 13739570, 14858630, 19316219, 25259671, 27479140, 29717260, 38632438, 50519342, 54958280, 59434520, 77264876, 96581095, 101038684, 126298355, 154529752, 193162190, 202077368, 252596710, 328375723, 386324380, 505193420, 656751446, 772648760, 1010386840, 1313502892, 1641878615, 2627005784, 3283757230, 6567514460, 13135028920]

約数ペア:

[(1, 13135028920), (2, 6567514460), (4, 3283757230), (5, 2627005784), (8, 1641878615), (10, 1313502892), (13, 1010386840), (17, 772648760), (20, 656751446), (26, 505193420), (34, 386324380), (40, 328375723), (52, 252596710), (65, 202077368), (68, 193162190), (85, 154529752), (104, 126298355), (130, 101038684), (136, 96581095), (170, 77264876), (221, 59434520), (239, 54958280), (260, 50519342), (340, 38632438), (442, 29717260), (478, 27479140), (520, 25259671), (680, 19316219), (884, 14858630), (956, 13739570), (1105, 11886904), (1195, 10991656), (1768, 7429315), (1912, 6869785), (2210, 5943452), (2390, 5495828), (3107, 4227560), (4063, 3232840), (4420, 2971726), (4780, 2747914), (6214, 2113780), (6217, 2112760), (8126, 1616420), (8840, 1485863), (9560, 1373957), (12428, 1056890), (12434, 1056380), (15535, 845512), (16252, 808210), (20315, 646568), (24856, 528445), (24868, 528190), (31070, 422756), (31085, 422552), (32504, 404105), (40630, 323284), (49736, 264095), (52819, 248680), (62140, 211378), (62170, 211276), (80821, 162520), (81260, 161642), (105638, 124340), (105689, 124280)]