72867020

素因数分解:

$2^2\times 5^1\times {\mathrm{3643351}}^1$

素因数の和:3643360

約数の個数: 12

約数和(自身を含む): 153020784

約数和(自身を除く): 80153764

約数列:

[1, 2, 4, 5, 10, 20, 3643351, 7286702, 14573404, 18216755, 36433510, 72867020]

約数ペア:

[(1, 72867020), (2, 36433510), (4, 18216755), (5, 14573404), (10, 7286702), (20, 3643351)]