51330890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6473}}^1$

素因数の和:6554

約数の個数: 32

約数和(自身を含む): 101149776

約数和(自身を除く): 49818886

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 6473, 7930, 12946, 32365, 64730, 84149, 168298, 394853, 420745, 789706, 841490, 1974265, 3948530, 5133089, 10266178, 25665445, 51330890]

約数ペア:

[(1, 51330890), (2, 25665445), (5, 10266178), (10, 5133089), (13, 3948530), (26, 1974265), (61, 841490), (65, 789706), (122, 420745), (130, 394853), (305, 168298), (610, 84149), (793, 64730), (1586, 32365), (3965, 12946), (6473, 7930)]