61331440

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1663}}^1$

素因数の和:2137

約数の個数: 40

約数和(自身を含む): 142990848

約数和(自身を除く): 81659408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1663, 1844, 2305, 3326, 3688, 4610, 6652, 7376, 8315, 9220, 13304, 16630, 18440, 26608, 33260, 36880, 66520, 133040, 766643, 1533286, 3066572, 3833215, 6133144, 7666430, 12266288, 15332860, 30665720, 61331440]

約数ペア:

[(1, 61331440), (2, 30665720), (4, 15332860), (5, 12266288), (8, 7666430), (10, 6133144), (16, 3833215), (20, 3066572), (40, 1533286), (80, 766643), (461, 133040), (922, 66520), (1663, 36880), (1844, 33260), (2305, 26608), (3326, 18440), (3688, 16630), (4610, 13304), (6652, 9220), (7376, 8315)]