25955140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 57859200

約数和(自身を除く): 31904060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 409, 668, 818, 835, 1636, 1670, 2045, 3173, 3340, 4090, 6346, 7771, 8180, 12692, 15542, 15865, 31084, 31730, 38855, 63460, 68303, 77710, 136606, 155420, 273212, 341515, 683030, 1297757, 1366060, 2595514, 5191028, 6488785, 12977570, 25955140]

約数ペア:

[(1, 25955140), (2, 12977570), (4, 6488785), (5, 5191028), (10, 2595514), (19, 1366060), (20, 1297757), (38, 683030), (76, 341515), (95, 273212), (167, 155420), (190, 136606), (334, 77710), (380, 68303), (409, 63460), (668, 38855), (818, 31730), (835, 31084), (1636, 15865), (1670, 15542), (2045, 12692), (3173, 8180), (3340, 7771), (4090, 6346)]