61495180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{38921}}^1$

素因数の和:39009

約数の個数: 24

約数和(自身を含む): 130777920

約数和(自身を除く): 69282740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 38921, 77842, 155684, 194605, 389210, 778420, 3074759, 6149518, 12299036, 15373795, 30747590, 61495180]

約数ペア:

[(1, 61495180), (2, 30747590), (4, 15373795), (5, 12299036), (10, 6149518), (20, 3074759), (79, 778420), (158, 389210), (316, 194605), (395, 155684), (790, 77842), (1580, 38921)]