101718640

素因数分解:

$2^4\times 5^1\times {\mathrm{1271483}}^1$

素因数の和:1271496

約数の個数: 20

約数和(自身を含む): 236496024

約数和(自身を除く): 134777384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1271483, 2542966, 5085932, 6357415, 10171864, 12714830, 20343728, 25429660, 50859320, 101718640]

約数ペア:

[(1, 101718640), (2, 50859320), (4, 25429660), (5, 20343728), (8, 12714830), (10, 10171864), (16, 6357415), (20, 5085932), (40, 2542966), (80, 1271483)]