40231480

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3631}}^1$

素因数の和:3919

約数の個数: 32

約数和(自身を含む): 90872640

約数和(自身を除く): 50641160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 3631, 5540, 7262, 11080, 14524, 18155, 29048, 36310, 72620, 145240, 1005787, 2011574, 4023148, 5028935, 8046296, 10057870, 20115740, 40231480]

約数ペア:

[(1, 40231480), (2, 20115740), (4, 10057870), (5, 8046296), (8, 5028935), (10, 4023148), (20, 2011574), (40, 1005787), (277, 145240), (554, 72620), (1108, 36310), (1385, 29048), (2216, 18155), (2770, 14524), (3631, 11080), (5540, 7262)]