5431400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2118

約数の個数: 48

約数和(自身を含む): 13605900

約数和(自身を除く): 8174500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2089, 2600, 4178, 8356, 10445, 16712, 20890, 27157, 41780, 52225, 54314, 83560, 104450, 108628, 135785, 208900, 217256, 271570, 417800, 543140, 678925, 1086280, 1357850, 2715700, 5431400]

約数ペア:

[(1, 5431400), (2, 2715700), (4, 1357850), (5, 1086280), (8, 678925), (10, 543140), (13, 417800), (20, 271570), (25, 217256), (26, 208900), (40, 135785), (50, 108628), (52, 104450), (65, 83560), (100, 54314), (104, 52225), (130, 41780), (200, 27157), (260, 20890), (325, 16712), (520, 10445), (650, 8356), (1300, 4178), (2089, 2600)]