78757240

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4271}}^1$

素因数の和:4743

約数の個数: 32

約数和(自身を含む): 177629760

約数和(自身を除く): 98872520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4271, 4610, 8542, 9220, 17084, 18440, 21355, 34168, 42710, 85420, 170840, 1968931, 3937862, 7875724, 9844655, 15751448, 19689310, 39378620, 78757240]

約数ペア:

[(1, 78757240), (2, 39378620), (4, 19689310), (5, 15751448), (8, 9844655), (10, 7875724), (20, 3937862), (40, 1968931), (461, 170840), (922, 85420), (1844, 42710), (2305, 34168), (3688, 21355), (4271, 18440), (4610, 17084), (8542, 9220)]