493306640

素因数分解:

$2^4\times 5^1\times {\mathrm{6166333}}^1$

素因数の和:6166346

約数の個数: 20

約数和(自身を含む): 1146938124

約数和(自身を除く): 653631484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6166333, 12332666, 24665332, 30831665, 49330664, 61663330, 98661328, 123326660, 246653320, 493306640]

約数ペア:

[(1, 493306640), (2, 246653320), (4, 123326660), (5, 98661328), (8, 61663330), (10, 49330664), (16, 30831665), (20, 24665332), (40, 12332666), (80, 6166333)]