80931080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65267}}^1$

素因数の和:65309

約数の個数: 32

約数和(自身を含む): 187971840

約数和(自身を除く): 107040760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 65267, 130534, 261068, 326335, 522136, 652670, 1305340, 2023277, 2610680, 4046554, 8093108, 10116385, 16186216, 20232770, 40465540, 80931080]

約数ペア:

[(1, 80931080), (2, 40465540), (4, 20232770), (5, 16186216), (8, 10116385), (10, 8093108), (20, 4046554), (31, 2610680), (40, 2023277), (62, 1305340), (124, 652670), (155, 522136), (248, 326335), (310, 261068), (620, 130534), (1240, 65267)]