80085440

素因数分解:

$2^6\times 5^1\times {\mathrm{250267}}^1$

素因数の和:250284

約数の個数: 28

約数和(自身を含む): 190704216

約数和(自身を除く): 110618776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 250267, 500534, 1001068, 1251335, 2002136, 2502670, 4004272, 5005340, 8008544, 10010680, 16017088, 20021360, 40042720, 80085440]

約数ペア:

[(1, 80085440), (2, 40042720), (4, 20021360), (5, 16017088), (8, 10010680), (10, 8008544), (16, 5005340), (20, 4004272), (32, 2502670), (40, 2002136), (64, 1251335), (80, 1001068), (160, 500534), (320, 250267)]