1855480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4217}}^1$

素因数の和:4239

約数の個数: 32

約数和(自身を含む): 4555440

約数和(自身を除く): 2699960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4217, 8434, 16868, 21085, 33736, 42170, 46387, 84340, 92774, 168680, 185548, 231935, 371096, 463870, 927740, 1855480]

約数ペア:

[(1, 1855480), (2, 927740), (4, 463870), (5, 371096), (8, 231935), (10, 185548), (11, 168680), (20, 92774), (22, 84340), (40, 46387), (44, 42170), (55, 33736), (88, 21085), (110, 16868), (220, 8434), (440, 4217)]