201372125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 261860352

約数和(自身を除く): 60488227

約数列:

[1, 5, 25, 31, 125, 155, 157, 331, 775, 785, 1655, 3875, 3925, 4867, 8275, 10261, 19625, 24335, 41375, 51305, 51967, 121675, 256525, 259835, 608375, 1282625, 1299175, 1610977, 6495875, 8054885, 40274425, 201372125]

約数ペア:

[(1, 201372125), (5, 40274425), (25, 8054885), (31, 6495875), (125, 1610977), (155, 1299175), (157, 1282625), (331, 608375), (775, 259835), (785, 256525), (1655, 121675), (3875, 51967), (3925, 51305), (4867, 41375), (8275, 24335), (10261, 19625)]