2050782890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1213481}}^1$

素因数の和:1213514

約数の個数: 24

約数和(自身を含む): 3997209708

約数和(自身を除く): 1946426818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 1213481, 2426962, 6067405, 12134810, 15775253, 31550506, 78876265, 157752530, 205078289, 410156578, 1025391445, 2050782890]

約数ペア:

[(1, 2050782890), (2, 1025391445), (5, 410156578), (10, 205078289), (13, 157752530), (26, 78876265), (65, 31550506), (130, 15775253), (169, 12134810), (338, 6067405), (845, 2426962), (1690, 1213481)]