8227499020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31644227}}^1$

素因数の和:31644249

約数の個数: 24

約数和(自身を含む): 18606806064

約数和(自身を除く): 10379307044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31644227, 63288454, 126576908, 158221135, 316442270, 411374951, 632884540, 822749902, 1645499804, 2056874755, 4113749510, 8227499020]

約数ペア:

[(1, 8227499020), (2, 4113749510), (4, 2056874755), (5, 1645499804), (10, 822749902), (13, 632884540), (20, 411374951), (26, 316442270), (52, 158221135), (65, 126576908), (130, 63288454), (260, 31644227)]