426023440

素因数分解:

$2^4\times 5^1\times {\mathrm{5325293}}^1$

素因数の和:5325306

約数の個数: 20

約数和(自身を含む): 990504684

約数和(自身を除く): 564481244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5325293, 10650586, 21301172, 26626465, 42602344, 53252930, 85204688, 106505860, 213011720, 426023440]

約数ペア:

[(1, 426023440), (2, 213011720), (4, 106505860), (5, 85204688), (8, 53252930), (10, 42602344), (16, 26626465), (20, 21301172), (40, 10650586), (80, 5325293)]