81613550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{85909}}^1$

素因数の和:85940

約数の個数: 24

約数和(自身を含む): 159792600

約数和(自身を除く): 78179050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 85909, 171818, 429545, 859090, 1632271, 2147725, 3264542, 4295450, 8161355, 16322710, 40806775, 81613550]

約数ペア:

[(1, 81613550), (2, 40806775), (5, 16322710), (10, 8161355), (19, 4295450), (25, 3264542), (38, 2147725), (50, 1632271), (95, 859090), (190, 429545), (475, 171818), (950, 85909)]