40112780

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6449}}^1$

素因数の和:6769

約数の個数: 24

約数和(自身を含む): 84520800

約数和(自身を除く): 44408020

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 6449, 12898, 25796, 32245, 64490, 128980, 2005639, 4011278, 8022556, 10028195, 20056390, 40112780]

約数ペア:

[(1, 40112780), (2, 20056390), (4, 10028195), (5, 8022556), (10, 4011278), (20, 2005639), (311, 128980), (622, 64490), (1244, 32245), (1555, 25796), (3110, 12898), (6220, 6449)]