72629540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{22279}}^1$

素因数の和:22451

約数の個数: 24

約数和(自身を含む): 153464640

約数和(自身を除く): 80835100

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 22279, 44558, 89116, 111395, 222790, 445580, 3631477, 7262954, 14525908, 18157385, 36314770, 72629540]

約数ペア:

[(1, 72629540), (2, 36314770), (4, 18157385), (5, 14525908), (10, 7262954), (20, 3631477), (163, 445580), (326, 222790), (652, 111395), (815, 89116), (1630, 44558), (3260, 22279)]