90824780

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{19001}}^1$

素因数の和:19249

約数の個数: 24

約数和(自身を含む): 191540160

約数和(自身を除く): 100715380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 19001, 38002, 76004, 95005, 190010, 380020, 4541239, 9082478, 18164956, 22706195, 45412390, 90824780]

約数ペア:

[(1, 90824780), (2, 45412390), (4, 22706195), (5, 18164956), (10, 9082478), (20, 4541239), (239, 380020), (478, 190010), (956, 95005), (1195, 76004), (2390, 38002), (4780, 19001)]