79828340

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20261}}^1$

素因数の和:20467

約数の個数: 24

約数和(自身を含む): 168498792

約数和(自身を除く): 88670452

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 20261, 40522, 81044, 101305, 202610, 405220, 3991417, 7982834, 15965668, 19957085, 39914170, 79828340]

約数ペア:

[(1, 79828340), (2, 39914170), (4, 19957085), (5, 15965668), (10, 7982834), (20, 3991417), (197, 405220), (394, 202610), (788, 101305), (985, 81044), (1970, 40522), (3940, 20261)]