77405540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{94397}}^1$

素因数の和:94447

約数の個数: 24

約数和(自身を含む): 166518072

約数和(自身を除く): 89112532

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 94397, 188794, 377588, 471985, 943970, 1887940, 3870277, 7740554, 15481108, 19351385, 38702770, 77405540]

約数ペア:

[(1, 77405540), (2, 38702770), (4, 19351385), (5, 15481108), (10, 7740554), (20, 3870277), (41, 1887940), (82, 943970), (164, 471985), (205, 377588), (410, 188794), (820, 94397)]