15620125

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 32

約数和(自身を含む): 20966400

約数和(自身を除く): 5346275

約数列:

[1, 5, 25, 29, 31, 125, 139, 145, 155, 695, 725, 775, 899, 3475, 3625, 3875, 4031, 4309, 4495, 17375, 20155, 21545, 22475, 100775, 107725, 112375, 124961, 503875, 538625, 624805, 3124025, 15620125]

約数ペア:

[(1, 15620125), (5, 3124025), (25, 624805), (29, 538625), (31, 503875), (125, 124961), (139, 112375), (145, 107725), (155, 100775), (695, 22475), (725, 21545), (775, 20155), (899, 17375), (3475, 4495), (3625, 4309), (3875, 4031)]