91490680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{55787}}^1$

素因数の和:55839

約数の個数: 32

約数和(自身を含む): 210878640

約数和(自身を除く): 119387960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 55787, 111574, 223148, 278935, 446296, 557870, 1115740, 2231480, 2287267, 4574534, 9149068, 11436335, 18298136, 22872670, 45745340, 91490680]

約数ペア:

[(1, 91490680), (2, 45745340), (4, 22872670), (5, 18298136), (8, 11436335), (10, 9149068), (20, 4574534), (40, 2287267), (41, 2231480), (82, 1115740), (164, 557870), (205, 446296), (328, 278935), (410, 223148), (820, 111574), (1640, 55787)]