29998040

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2089}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 67716000

約数和(自身を除く): 37717960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2089, 2872, 3590, 4178, 7180, 8356, 10445, 14360, 16712, 20890, 41780, 83560, 749951, 1499902, 2999804, 3749755, 5999608, 7499510, 14999020, 29998040]

約数ペア:

[(1, 29998040), (2, 14999020), (4, 7499510), (5, 5999608), (8, 3749755), (10, 2999804), (20, 1499902), (40, 749951), (359, 83560), (718, 41780), (1436, 20890), (1795, 16712), (2089, 14360), (2872, 10445), (3590, 8356), (4178, 7180)]