17954375

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{1249}}^1$

素因数の和:1292

約数の個数: 20

約数和(自身を含む): 23430000

約数和(自身を除く): 5475625

約数列:

[1, 5, 23, 25, 115, 125, 575, 625, 1249, 2875, 6245, 14375, 28727, 31225, 143635, 156125, 718175, 780625, 3590875, 17954375]

約数ペア:

[(1, 17954375), (5, 3590875), (23, 780625), (25, 718175), (115, 156125), (125, 143635), (575, 31225), (625, 28727), (1249, 14375), (2875, 6245)]