51205060

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6449}}^1$

素因数の和:6855

約数の個数: 24

約数和(自身を含む): 107818200

約数和(自身を除く): 56613140

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 6449, 7940, 12898, 25796, 32245, 64490, 128980, 2560253, 5120506, 10241012, 12801265, 25602530, 51205060]

約数ペア:

[(1, 51205060), (2, 25602530), (4, 12801265), (5, 10241012), (10, 5120506), (20, 2560253), (397, 128980), (794, 64490), (1588, 32245), (1985, 25796), (3970, 12898), (6449, 7940)]