22118125

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:886

約数の個数: 20

約数和(自身を含む): 28315936

約数和(自身を除く): 6197811

約数列:

[1, 5, 25, 43, 125, 215, 625, 823, 1075, 4115, 5375, 20575, 26875, 35389, 102875, 176945, 514375, 884725, 4423625, 22118125]

約数ペア:

[(1, 22118125), (5, 4423625), (25, 884725), (43, 514375), (125, 176945), (215, 102875), (625, 35389), (823, 26875), (1075, 20575), (4115, 5375)]