2064858640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1985441}}^1$

素因数の和:1985467

約数の個数: 40

約数和(自身を含む): 5170090968

約数和(自身を除く): 3105232328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1985441, 3970882, 7941764, 9927205, 15883528, 19854410, 25810733, 31767056, 39708820, 51621466, 79417640, 103242932, 129053665, 158835280, 206485864, 258107330, 412971728, 516214660, 1032429320, 2064858640]

約数ペア:

[(1, 2064858640), (2, 1032429320), (4, 516214660), (5, 412971728), (8, 258107330), (10, 206485864), (13, 158835280), (16, 129053665), (20, 103242932), (26, 79417640), (40, 51621466), (52, 39708820), (65, 31767056), (80, 25810733), (104, 19854410), (130, 15883528), (208, 9927205), (260, 7941764), (520, 3970882), (1040, 1985441)]