190047640

素因数分解:

$2^3\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{2857}}^1$

素因数の和:4531

約数の個数: 32

約数和(自身を含む): 428014080

約数和(自身を除く): 237966440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1663, 2857, 3326, 5714, 6652, 8315, 11428, 13304, 14285, 16630, 22856, 28570, 33260, 57140, 66520, 114280, 4751191, 9502382, 19004764, 23755955, 38009528, 47511910, 95023820, 190047640]

約数ペア:

[(1, 190047640), (2, 95023820), (4, 47511910), (5, 38009528), (8, 23755955), (10, 19004764), (20, 9502382), (40, 4751191), (1663, 114280), (2857, 66520), (3326, 57140), (5714, 33260), (6652, 28570), (8315, 22856), (11428, 16630), (13304, 14285)]