18623125

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:462

約数の個数: 20

約数和(自身を含む): 23617440

約数和(自身を除く): 4994315

約数列:

[1, 5, 25, 83, 125, 359, 415, 625, 1795, 2075, 8975, 10375, 29797, 44875, 51875, 148985, 224375, 744925, 3724625, 18623125]

約数ペア:

[(1, 18623125), (5, 3724625), (25, 744925), (83, 224375), (125, 148985), (359, 51875), (415, 44875), (625, 29797), (1795, 10375), (2075, 8975)]