90988820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5737}}^1$

素因数の和:5820

約数の個数: 48

約数和(自身を含む): 209184528

約数和(自身を除く): 118195708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 5737, 7930, 11474, 15860, 22948, 28685, 57370, 74581, 114740, 149162, 298324, 349957, 372905, 699914, 745810, 1399828, 1491620, 1749785, 3499570, 4549441, 6999140, 9098882, 18197764, 22747205, 45494410, 90988820]

約数ペア:

[(1, 90988820), (2, 45494410), (4, 22747205), (5, 18197764), (10, 9098882), (13, 6999140), (20, 4549441), (26, 3499570), (52, 1749785), (61, 1491620), (65, 1399828), (122, 745810), (130, 699914), (244, 372905), (260, 349957), (305, 298324), (610, 149162), (793, 114740), (1220, 74581), (1586, 57370), (3172, 28685), (3965, 22948), (5737, 15860), (7930, 11474)]