9860125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 13747968

約数和(自身を除く): 3887843

約数列:

[1, 5, 11, 25, 55, 71, 101, 125, 275, 355, 505, 781, 1111, 1375, 1775, 2525, 3905, 5555, 7171, 8875, 12625, 19525, 27775, 35855, 78881, 97625, 138875, 179275, 394405, 896375, 1972025, 9860125]

約数ペア:

[(1, 9860125), (5, 1972025), (11, 896375), (25, 394405), (55, 179275), (71, 138875), (101, 97625), (125, 78881), (275, 35855), (355, 27775), (505, 19525), (781, 12625), (1111, 8875), (1375, 7171), (1775, 5555), (2525, 3905)]