2801471420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12733961}}^1$

素因数の和:12733981

約数の個数: 24

約数和(自身を含む): 6417916848

約数和(自身を除く): 3616445428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12733961, 25467922, 50935844, 63669805, 127339610, 140073571, 254679220, 280147142, 560294284, 700367855, 1400735710, 2801471420]

約数ペア:

[(1, 2801471420), (2, 1400735710), (4, 700367855), (5, 560294284), (10, 280147142), (11, 254679220), (20, 140073571), (22, 127339610), (44, 63669805), (55, 50935844), (110, 25467922), (220, 12733961)]