155087208680

素因数分解:

$2^3\times 5^1\times {\mathrm{3877180217}}^1$

素因数の和:3877180228

約数の個数: 16

約数和(自身を含む): 348946219620

約数和(自身を除く): 193859010940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3877180217, 7754360434, 15508720868, 19385901085, 31017441736, 38771802170, 77543604340, 155087208680]

約数ペア:

[(1, 155087208680), (2, 77543604340), (4, 38771802170), (5, 31017441736), (8, 19385901085), (10, 15508720868), (20, 7754360434), (40, 3877180217)]