53381240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121321}}^1$

素因数の和:121343

約数の個数: 32

約数和(自身を含む): 131027760

約数和(自身を除く): 77646520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 121321, 242642, 485284, 606605, 970568, 1213210, 1334531, 2426420, 2669062, 4852840, 5338124, 6672655, 10676248, 13345310, 26690620, 53381240]

約数ペア:

[(1, 53381240), (2, 26690620), (4, 13345310), (5, 10676248), (8, 6672655), (10, 5338124), (11, 4852840), (20, 2669062), (22, 2426420), (40, 1334531), (44, 1213210), (55, 970568), (88, 606605), (110, 485284), (220, 242642), (440, 121321)]