7409088792020

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{881}}^1\times {\mathrm{519769}}^1$

素因数の和:521468

約数の個数: 48

約数和(自身を含む): 15596031502800

約数和(自身を除く): 8186942710780

約数列:

[1, 2, 4, 5, 10, 20, 809, 881, 1618, 1762, 3236, 3524, 4045, 4405, 8090, 8810, 16180, 17620, 519769, 712729, 1039538, 1425458, 2079076, 2598845, 2850916, 3563645, 5197690, 7127290, 10395380, 14254580, 420493121, 457916489, 840986242, 915832978, 1681972484, 1831665956, 2102465605, 2289582445, 4204931210, 4579164890, 8409862420, 9158329780, 370454439601, 740908879202, 1481817758404, 1852272198005, 3704544396010, 7409088792020]

約数ペア:

[(1, 7409088792020), (2, 3704544396010), (4, 1852272198005), (5, 1481817758404), (10, 740908879202), (20, 370454439601), (809, 9158329780), (881, 8409862420), (1618, 4579164890), (1762, 4204931210), (3236, 2289582445), (3524, 2102465605), (4045, 1831665956), (4405, 1681972484), (8090, 915832978), (8810, 840986242), (16180, 457916489), (17620, 420493121), (519769, 14254580), (712729, 10395380), (1039538, 7127290), (1425458, 5197690), (2079076, 3563645), (2598845, 2850916)]