25991240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3150

約数の個数: 64

約数和(自身を含む): 67176000

約数和(自身を除く): 41184760

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3109, 4180, 6218, 8360, 12436, 15545, 24872, 31090, 34199, 59071, 62180, 68398, 118142, 124360, 136796, 170995, 236284, 273592, 295355, 341990, 472568, 590710, 649781, 683980, 1181420, 1299562, 1367960, 2362840, 2599124, 3248905, 5198248, 6497810, 12995620, 25991240]

約数ペア:

[(1, 25991240), (2, 12995620), (4, 6497810), (5, 5198248), (8, 3248905), (10, 2599124), (11, 2362840), (19, 1367960), (20, 1299562), (22, 1181420), (38, 683980), (40, 649781), (44, 590710), (55, 472568), (76, 341990), (88, 295355), (95, 273592), (110, 236284), (152, 170995), (190, 136796), (209, 124360), (220, 118142), (380, 68398), (418, 62180), (440, 59071), (760, 34199), (836, 31090), (1045, 24872), (1672, 15545), (2090, 12436), (3109, 8360), (4180, 6218)]