31968140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20233}}^1$

素因数の和:20321

約数の個数: 24

約数和(自身を含む): 67986240

約数和(自身を除く): 36018100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 20233, 40466, 80932, 101165, 202330, 404660, 1598407, 3196814, 6393628, 7992035, 15984070, 31968140]

約数ペア:

[(1, 31968140), (2, 15984070), (4, 7992035), (5, 6393628), (10, 3196814), (20, 1598407), (79, 404660), (158, 202330), (316, 101165), (395, 80932), (790, 40466), (1580, 20233)]