28299125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 37340160

約数和(自身を除く): 9041035

約数列:

[1, 5, 25, 31, 67, 109, 125, 155, 335, 545, 775, 1675, 2077, 2725, 3379, 3875, 7303, 8375, 10385, 13625, 16895, 36515, 51925, 84475, 182575, 226393, 259625, 422375, 912875, 1131965, 5659825, 28299125]

約数ペア:

[(1, 28299125), (5, 5659825), (25, 1131965), (31, 912875), (67, 422375), (109, 259625), (125, 226393), (155, 182575), (335, 84475), (545, 51925), (775, 36515), (1675, 16895), (2077, 13625), (2725, 10385), (3379, 8375), (3875, 7303)]