20077568810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:720

約数の個数: 128

約数和(自身を含む): 41040857088

約数和(自身を除く): 20963288278

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 101, 107, 130, 155, 202, 214, 310, 403, 461, 505, 535, 806, 922, 1010, 1070, 1313, 1391, 2015, 2305, 2626, 2782, 3131, 3317, 4030, 4610, 5993, 6262, 6565, 6634, 6955, 10807, 11986, 13130, 13910, 14291, 15655, 16585, 21614, 28582, 29965, 31310, 33170, 40703, 43121, 46561, 49327, 54035, 59930, 71455, 81406, 86242, 93122, 98654, 108070, 140491, 142910, 185783, 203515, 215605, 232805, 246635, 280982, 335017, 371566, 407030, 431210, 465610, 493270, 605293, 641251, 670034, 702455, 928915, 1210586, 1282502, 1404910, 1443391, 1529137, 1675085, 1857830, 2886782, 3026465, 3058274, 3206255, 3350170, 4355221, 4982027, 6052930, 6412510, 7216955, 7645685, 8710442, 9964054, 14433910, 15291370, 18764083, 19878781, 21776105, 24910135, 37528166, 39757562, 43552210, 49820270, 64766351, 93820415, 99393905, 129532702, 154442837, 187640830, 198787810, 308885674, 323831755, 647663510, 772214185, 1544428370, 2007756881, 4015513762, 10038784405, 20077568810]

約数ペア:

[(1, 20077568810), (2, 10038784405), (5, 4015513762), (10, 2007756881), (13, 1544428370), (26, 772214185), (31, 647663510), (62, 323831755), (65, 308885674), (101, 198787810), (107, 187640830), (130, 154442837), (155, 129532702), (202, 99393905), (214, 93820415), (310, 64766351), (403, 49820270), (461, 43552210), (505, 39757562), (535, 37528166), (806, 24910135), (922, 21776105), (1010, 19878781), (1070, 18764083), (1313, 15291370), (1391, 14433910), (2015, 9964054), (2305, 8710442), (2626, 7645685), (2782, 7216955), (3131, 6412510), (3317, 6052930), (4030, 4982027), (4610, 4355221), (5993, 3350170), (6262, 3206255), (6565, 3058274), (6634, 3026465), (6955, 2886782), (10807, 1857830), (11986, 1675085), (13130, 1529137), (13910, 1443391), (14291, 1404910), (15655, 1282502), (16585, 1210586), (21614, 928915), (28582, 702455), (29965, 670034), (31310, 641251), (33170, 605293), (40703, 493270), (43121, 465610), (46561, 431210), (49327, 407030), (54035, 371566), (59930, 335017), (71455, 280982), (81406, 246635), (86242, 232805), (93122, 215605), (98654, 203515), (108070, 185783), (140491, 142910)]