8166280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1873}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 18552600

約数和(自身を除く): 10386320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1873, 2180, 3746, 4360, 7492, 9365, 14984, 18730, 37460, 74920, 204157, 408314, 816628, 1020785, 1633256, 2041570, 4083140, 8166280]

約数ペア:

[(1, 8166280), (2, 4083140), (4, 2041570), (5, 1633256), (8, 1020785), (10, 816628), (20, 408314), (40, 204157), (109, 74920), (218, 37460), (436, 18730), (545, 14984), (872, 9365), (1090, 7492), (1873, 4360), (2180, 3746)]