207949820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{799807}}^1$

素因数の和:799829

約数の個数: 24

約数和(自身を含む): 470287104

約数和(自身を除く): 262337284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 799807, 1599614, 3199228, 3999035, 7998070, 10397491, 15996140, 20794982, 41589964, 51987455, 103974910, 207949820]

約数ペア:

[(1, 207949820), (2, 103974910), (4, 51987455), (5, 41589964), (10, 20794982), (13, 15996140), (20, 10397491), (26, 7998070), (52, 3999035), (65, 3199228), (130, 1599614), (260, 799807)]