40372294180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18519401}}^1$

素因数の和:18519519

約数の個数: 24

約数和(自身を含む): 85559637240

約数和(自身を除く): 45187343060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 18519401, 37038802, 74077604, 92597005, 185194010, 370388020, 2018614709, 4037229418, 8074458836, 10093073545, 20186147090, 40372294180]

約数ペア:

[(1, 40372294180), (2, 20186147090), (4, 10093073545), (5, 8074458836), (10, 4037229418), (20, 2018614709), (109, 370388020), (218, 185194010), (436, 92597005), (545, 74077604), (1090, 37038802), (2180, 18519401)]