79128680

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1607}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 178295040

約数和(自身を除く): 99166360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 1607, 2462, 3214, 4924, 6155, 6428, 8035, 9848, 12310, 12856, 16070, 24620, 32140, 49240, 64280, 1978217, 3956434, 7912868, 9891085, 15825736, 19782170, 39564340, 79128680]

約数ペア:

[(1, 79128680), (2, 39564340), (4, 19782170), (5, 15825736), (8, 9891085), (10, 7912868), (20, 3956434), (40, 1978217), (1231, 64280), (1607, 49240), (2462, 32140), (3214, 24620), (4924, 16070), (6155, 12856), (6428, 12310), (8035, 9848)]