8635640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16607}}^1$

素因数の和:16631

約数の個数: 32

約数和(自身を含む): 20926080

約数和(自身を除く): 12290440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16607, 33214, 66428, 83035, 132856, 166070, 215891, 332140, 431782, 664280, 863564, 1079455, 1727128, 2158910, 4317820, 8635640]

約数ペア:

[(1, 8635640), (2, 4317820), (4, 2158910), (5, 1727128), (8, 1079455), (10, 863564), (13, 664280), (20, 431782), (26, 332140), (40, 215891), (52, 166070), (65, 132856), (104, 83035), (130, 66428), (260, 33214), (520, 16607)]