65669620

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{17191}}^1$

素因数の和:17391

約数の個数: 24

約数和(自身を含む): 138636288

約数和(自身を除く): 72966668

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 17191, 34382, 68764, 85955, 171910, 343820, 3283481, 6566962, 13133924, 16417405, 32834810, 65669620]

約数ペア:

[(1, 65669620), (2, 32834810), (4, 16417405), (5, 13133924), (10, 6566962), (20, 3283481), (191, 343820), (382, 171910), (764, 85955), (955, 68764), (1910, 34382), (3820, 17191)]