8045686760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1\times {\mathrm{3313}}^1$

素因数の和:3990

約数の個数: 64

約数和(自身を含む): 18307198800

約数和(自身を除く): 10261512040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 557, 872, 1090, 1114, 2180, 2228, 2785, 3313, 4360, 4456, 5570, 6626, 11140, 13252, 16565, 22280, 26504, 33130, 60713, 66260, 121426, 132520, 242852, 303565, 361117, 485704, 607130, 722234, 1214260, 1444468, 1805585, 1845341, 2428520, 2888936, 3611170, 3690682, 7222340, 7381364, 9226705, 14444680, 14762728, 18453410, 36906820, 73813640, 201142169, 402284338, 804568676, 1005710845, 1609137352, 2011421690, 4022843380, 8045686760]

約数ペア:

[(1, 8045686760), (2, 4022843380), (4, 2011421690), (5, 1609137352), (8, 1005710845), (10, 804568676), (20, 402284338), (40, 201142169), (109, 73813640), (218, 36906820), (436, 18453410), (545, 14762728), (557, 14444680), (872, 9226705), (1090, 7381364), (1114, 7222340), (2180, 3690682), (2228, 3611170), (2785, 2888936), (3313, 2428520), (4360, 1845341), (4456, 1805585), (5570, 1444468), (6626, 1214260), (11140, 722234), (13252, 607130), (16565, 485704), (22280, 361117), (26504, 303565), (33130, 242852), (60713, 132520), (66260, 121426)]