102442720

素因数分解:

$2^5\times 5^1\times {\mathrm{640267}}^1$

素因数の和:640282

約数の個数: 24

約数和(自身を含む): 242021304

約数和(自身を除く): 139578584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 640267, 1280534, 2561068, 3201335, 5122136, 6402670, 10244272, 12805340, 20488544, 25610680, 51221360, 102442720]

約数ペア:

[(1, 102442720), (2, 51221360), (4, 25610680), (5, 20488544), (8, 12805340), (10, 10244272), (16, 6402670), (20, 5122136), (32, 3201335), (40, 2561068), (80, 1280534), (160, 640267)]