102503840

素因数分解:

$2^5\times 5^1\times {\mathrm{640649}}^1$

素因数の和:640664

約数の個数: 24

約数和(自身を含む): 242165700

約数和(自身を除く): 139661860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 640649, 1281298, 2562596, 3203245, 5125192, 6406490, 10250384, 12812980, 20500768, 25625960, 51251920, 102503840]

約数ペア:

[(1, 102503840), (2, 51251920), (4, 25625960), (5, 20500768), (8, 12812980), (10, 10250384), (16, 6406490), (20, 5125192), (32, 3203245), (40, 2562596), (80, 1281298), (160, 640649)]