13578500

素因数分解:

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

素因数の和:2121

約数の個数: 48

約数和(自身を含む): 31951920

約数和(自身を除く): 18373420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2089, 3250, 4178, 6500, 8356, 10445, 20890, 27157, 41780, 52225, 54314, 104450, 108628, 135785, 208900, 261125, 271570, 522250, 543140, 678925, 1044500, 1357850, 2715700, 3394625, 6789250, 13578500]

約数ペア:

[(1, 13578500), (2, 6789250), (4, 3394625), (5, 2715700), (10, 1357850), (13, 1044500), (20, 678925), (25, 543140), (26, 522250), (50, 271570), (52, 261125), (65, 208900), (100, 135785), (125, 108628), (130, 104450), (250, 54314), (260, 52225), (325, 41780), (500, 27157), (650, 20890), (1300, 10445), (1625, 8356), (2089, 6500), (3250, 4178)]