13668125

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{1151}}^1$

素因数の和:1190

約数の個数: 20

約数和(自身を含む): 17994240

約数和(自身を除く): 4326115

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 1151, 2375, 5755, 11875, 21869, 28775, 109345, 143875, 546725, 719375, 2733625, 13668125]

約数ペア:

[(1, 13668125), (5, 2733625), (19, 719375), (25, 546725), (95, 143875), (125, 109345), (475, 28775), (625, 21869), (1151, 11875), (2375, 5755)]