80255125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 104832000

約数和(自身を除く): 24576875

約数列:

[1, 5, 25, 31, 125, 139, 149, 155, 695, 745, 775, 3475, 3725, 3875, 4309, 4619, 17375, 18625, 20711, 21545, 23095, 103555, 107725, 115475, 517775, 538625, 577375, 642041, 2588875, 3210205, 16051025, 80255125]

約数ペア:

[(1, 80255125), (5, 16051025), (25, 3210205), (31, 2588875), (125, 642041), (139, 577375), (149, 538625), (155, 517775), (695, 115475), (745, 107725), (775, 103555), (3475, 23095), (3725, 21545), (3875, 20711), (4309, 18625), (4619, 17375)]