72342280

素因数分解:

$2^3\times 5^1\times {\mathrm{1808557}}^1$

素因数の和:1808568

約数の個数: 16

約数和(自身を含む): 162770220

約数和(自身を除く): 90427940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1808557, 3617114, 7234228, 9042785, 14468456, 18085570, 36171140, 72342280]

約数ペア:

[(1, 72342280), (2, 36171140), (4, 18085570), (5, 14468456), (8, 9042785), (10, 7234228), (20, 3617114), (40, 1808557)]