72464120

素因数分解:

$2^3\times 5^1\times {\mathrm{1811603}}^1$

素因数の和:1811614

約数の個数: 16

約数和(自身を含む): 163044360

約数和(自身を除く): 90580240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1811603, 3623206, 7246412, 9058015, 14492824, 18116030, 36232060, 72464120]

約数ペア:

[(1, 72464120), (2, 36232060), (4, 18116030), (5, 14492824), (8, 9058015), (10, 7246412), (20, 3623206), (40, 1811603)]