123828560

素因数分解:

$2^4\times 5^1\times {\mathrm{1547857}}^1$

素因数の和:1547870

約数の個数: 20

約数和(自身を含む): 287901588

約数和(自身を除く): 164073028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1547857, 3095714, 6191428, 7739285, 12382856, 15478570, 24765712, 30957140, 61914280, 123828560]

約数ペア:

[(1, 123828560), (2, 61914280), (4, 30957140), (5, 24765712), (8, 15478570), (10, 12382856), (16, 7739285), (20, 6191428), (40, 3095714), (80, 1547857)]