164040980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{221677}}^1$

素因数の和:221723

約数の個数: 24

約数和(自身を含む): 353798088

約数和(自身を除く): 189757108

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 221677, 443354, 886708, 1108385, 2216770, 4433540, 8202049, 16404098, 32808196, 41010245, 82020490, 164040980]

約数ペア:

[(1, 164040980), (2, 82020490), (4, 41010245), (5, 32808196), (10, 16404098), (20, 8202049), (37, 4433540), (74, 2216770), (148, 1108385), (185, 886708), (370, 443354), (740, 221677)]