90413570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18797}}^1$

素因数の和:18854

約数の個数: 32

約数和(自身を含む): 180009648

約数和(自身を除く): 89596078

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 18797, 37594, 93985, 187970, 244361, 488722, 695489, 1221805, 1390978, 2443610, 3477445, 6954890, 9041357, 18082714, 45206785, 90413570]

約数ペア:

[(1, 90413570), (2, 45206785), (5, 18082714), (10, 9041357), (13, 6954890), (26, 3477445), (37, 2443610), (65, 1390978), (74, 1221805), (130, 695489), (185, 488722), (370, 244361), (481, 187970), (962, 93985), (2405, 37594), (4810, 18797)]