25488975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 45870080

約数和(自身を除く): 20381105

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 155, 285, 465, 475, 577, 589, 775, 1425, 1731, 1767, 2325, 2885, 2945, 8655, 8835, 10963, 14425, 14725, 17887, 32889, 43275, 44175, 53661, 54815, 89435, 164445, 268305, 274075, 339853, 447175, 822225, 1019559, 1341525, 1699265, 5097795, 8496325, 25488975]

約数ペア:

[(1, 25488975), (3, 8496325), (5, 5097795), (15, 1699265), (19, 1341525), (25, 1019559), (31, 822225), (57, 447175), (75, 339853), (93, 274075), (95, 268305), (155, 164445), (285, 89435), (465, 54815), (475, 53661), (577, 44175), (589, 43275), (775, 32889), (1425, 17887), (1731, 14725), (1767, 14425), (2325, 10963), (2885, 8835), (2945, 8655)]