807769040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40879}}^1$

素因数の和:40924

約数の個数: 80

約数和(自身を含む): 2129030400

約数和(自身を除く): 1321261360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 40879, 81758, 163516, 204395, 327032, 408790, 531427, 654064, 776701, 817580, 1062854, 1553402, 1635160, 2125708, 2657135, 3106804, 3270320, 3883505, 4251416, 5314270, 6213608, 7767010, 8502832, 10097113, 10628540, 12427216, 15534020, 20194226, 21257080, 31068040, 40388452, 42514160, 50485565, 62136080, 80776904, 100971130, 161553808, 201942260, 403884520, 807769040]

約数ペア:

[(1, 807769040), (2, 403884520), (4, 201942260), (5, 161553808), (8, 100971130), (10, 80776904), (13, 62136080), (16, 50485565), (19, 42514160), (20, 40388452), (26, 31068040), (38, 21257080), (40, 20194226), (52, 15534020), (65, 12427216), (76, 10628540), (80, 10097113), (95, 8502832), (104, 7767010), (130, 6213608), (152, 5314270), (190, 4251416), (208, 3883505), (247, 3270320), (260, 3106804), (304, 2657135), (380, 2125708), (494, 1635160), (520, 1553402), (760, 1062854), (988, 817580), (1040, 776701), (1235, 654064), (1520, 531427), (1976, 408790), (2470, 327032), (3952, 204395), (4940, 163516), (9880, 81758), (19760, 40879)]