82676180

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6449}}^1$

素因数の和:7099

約数の個数: 24

約数和(自身を含む): 173917800

約数和(自身を除く): 91241620

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 6449, 12820, 12898, 25796, 32245, 64490, 128980, 4133809, 8267618, 16535236, 20669045, 41338090, 82676180]

約数ペア:

[(1, 82676180), (2, 41338090), (4, 20669045), (5, 16535236), (10, 8267618), (20, 4133809), (641, 128980), (1282, 64490), (2564, 32245), (3205, 25796), (6410, 12898), (6449, 12820)]