79876820

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{6473}}^1$

素因数の和:7099

約数の個数: 24

約数和(自身を含む): 168039144

約数和(自身を除く): 88162324

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 6473, 12340, 12946, 25892, 32365, 64730, 129460, 3993841, 7987682, 15975364, 19969205, 39938410, 79876820]

約数ペア:

[(1, 79876820), (2, 39938410), (4, 19969205), (5, 15975364), (10, 7987682), (20, 3993841), (617, 129460), (1234, 64730), (2468, 32365), (3085, 25892), (6170, 12946), (6473, 12340)]