166629640

素因数分解:

$2^3\times 5^1\times {\mathrm{4165741}}^1$

素因数の和:4165752

約数の個数: 16

約数和(自身を含む): 374916780

約数和(自身を除く): 208287140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4165741, 8331482, 16662964, 20828705, 33325928, 41657410, 83314820, 166629640]

約数ペア:

[(1, 166629640), (2, 83314820), (4, 41657410), (5, 33325928), (8, 20828705), (10, 16662964), (20, 8331482), (40, 4165741)]