100149680

素因数分解:

$2^4\times 5^1\times {\mathrm{1251871}}^1$

素因数の和:1251884

約数の個数: 20

約数和(自身を含む): 232848192

約数和(自身を除く): 132698512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1251871, 2503742, 5007484, 6259355, 10014968, 12518710, 20029936, 25037420, 50074840, 100149680]

約数ペア:

[(1, 100149680), (2, 50074840), (4, 25037420), (5, 20029936), (8, 12518710), (10, 10014968), (16, 6259355), (20, 5007484), (40, 2503742), (80, 1251871)]