16435640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31607}}^1$

素因数の和:31631

約数の個数: 32

約数和(自身を含む): 39826080

約数和(自身を除く): 23390440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 31607, 63214, 126428, 158035, 252856, 316070, 410891, 632140, 821782, 1264280, 1643564, 2054455, 3287128, 4108910, 8217820, 16435640]

約数ペア:

[(1, 16435640), (2, 8217820), (4, 4108910), (5, 3287128), (8, 2054455), (10, 1643564), (13, 1264280), (20, 821782), (26, 632140), (40, 410891), (52, 316070), (65, 252856), (104, 158035), (130, 126428), (260, 63214), (520, 31607)]