4618640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4441}}^1$

素因数の和:4467

約数の個数: 40

約数和(自身を含む): 11566968

約数和(自身を除く): 6948328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4441, 8882, 17764, 22205, 35528, 44410, 57733, 71056, 88820, 115466, 177640, 230932, 288665, 355280, 461864, 577330, 923728, 1154660, 2309320, 4618640]

約数ペア:

[(1, 4618640), (2, 2309320), (4, 1154660), (5, 923728), (8, 577330), (10, 461864), (13, 355280), (16, 288665), (20, 230932), (26, 177640), (40, 115466), (52, 88820), (65, 71056), (80, 57733), (104, 44410), (130, 35528), (208, 22205), (260, 17764), (520, 8882), (1040, 4441)]