25237960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1399}}^1$

素因数の和:1462

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 38266040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1399, 1640, 1804, 2255, 2798, 3608, 4510, 5596, 6995, 9020, 11192, 13990, 15389, 18040, 27980, 30778, 55960, 57359, 61556, 76945, 114718, 123112, 153890, 229436, 286795, 307780, 458872, 573590, 615560, 630949, 1147180, 1261898, 2294360, 2523796, 3154745, 5047592, 6309490, 12618980, 25237960]

約数ペア:

[(1, 25237960), (2, 12618980), (4, 6309490), (5, 5047592), (8, 3154745), (10, 2523796), (11, 2294360), (20, 1261898), (22, 1147180), (40, 630949), (41, 615560), (44, 573590), (55, 458872), (82, 307780), (88, 286795), (110, 229436), (164, 153890), (205, 123112), (220, 114718), (328, 76945), (410, 61556), (440, 57359), (451, 55960), (820, 30778), (902, 27980), (1399, 18040), (1640, 15389), (1804, 13990), (2255, 11192), (2798, 9020), (3608, 6995), (4510, 5596)]