40897960

素因数分解:

$2^3\times 5^1\times {\mathrm{1022449}}^1$

素因数の和:1022460

約数の個数: 16

約数和(自身を含む): 92020500

約数和(自身を除く): 51122540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1022449, 2044898, 4089796, 5112245, 8179592, 10224490, 20448980, 40897960]

約数ペア:

[(1, 40897960), (2, 20448980), (4, 10224490), (5, 8179592), (8, 5112245), (10, 4089796), (20, 2044898), (40, 1022449)]