2693125

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 20

約数和(自身を含む): 3498880

約数和(自身を除く): 805755

約数列:

[1, 5, 25, 31, 125, 139, 155, 625, 695, 775, 3475, 3875, 4309, 17375, 19375, 21545, 86875, 107725, 538625, 2693125]

約数ペア:

[(1, 2693125), (5, 538625), (25, 107725), (31, 86875), (125, 21545), (139, 19375), (155, 17375), (625, 4309), (695, 3875), (775, 3475)]