16968125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{1597}}^1$

素因数の和:1634

約数の個数: 20

約数和(自身を含む): 22464684

約数和(自身を除く): 5496559

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 1597, 2125, 7985, 10625, 27149, 39925, 135745, 199625, 678725, 998125, 3393625, 16968125]

約数ペア:

[(1, 16968125), (5, 3393625), (17, 998125), (25, 678725), (85, 199625), (125, 135745), (425, 39925), (625, 27149), (1597, 10625), (2125, 7985)]