8217820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31607}}^1$

素因数の和:31629

約数の個数: 24

約数和(自身を含む): 18585504

約数和(自身を除く): 10367684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31607, 63214, 126428, 158035, 316070, 410891, 632140, 821782, 1643564, 2054455, 4108910, 8217820]

約数ペア:

[(1, 8217820), (2, 4108910), (4, 2054455), (5, 1643564), (10, 821782), (13, 632140), (20, 410891), (26, 316070), (52, 158035), (65, 126428), (130, 63214), (260, 31607)]