7980820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23473}}^1$

素因数の和:23499

約数の個数: 24

約数和(自身を含む): 17746344

約数和(自身を除く): 9765524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 23473, 46946, 93892, 117365, 234730, 399041, 469460, 798082, 1596164, 1995205, 3990410, 7980820]

約数ペア:

[(1, 7980820), (2, 3990410), (4, 1995205), (5, 1596164), (10, 798082), (17, 469460), (20, 399041), (34, 234730), (68, 117365), (85, 93892), (170, 46946), (340, 23473)]