15747940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1637}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 36599472

約数和(自身を除く): 20851532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1637, 1924, 2405, 3274, 4810, 6548, 8185, 9620, 16370, 21281, 32740, 42562, 60569, 85124, 106405, 121138, 212810, 242276, 302845, 425620, 605690, 787397, 1211380, 1574794, 3149588, 3936985, 7873970, 15747940]

約数ペア:

[(1, 15747940), (2, 7873970), (4, 3936985), (5, 3149588), (10, 1574794), (13, 1211380), (20, 787397), (26, 605690), (37, 425620), (52, 302845), (65, 242276), (74, 212810), (130, 121138), (148, 106405), (185, 85124), (260, 60569), (370, 42562), (481, 32740), (740, 21281), (962, 16370), (1637, 9620), (1924, 8185), (2405, 6548), (3274, 4810)]