160719620

素因数分解:

$2^2\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{4507}}^1$

素因数の和:6299

約数の個数: 24

約数和(自身を含む): 337775424

約数和(自身を除く): 177055804

約数列:

[1, 2, 4, 5, 10, 20, 1783, 3566, 4507, 7132, 8915, 9014, 17830, 18028, 22535, 35660, 45070, 90140, 8035981, 16071962, 32143924, 40179905, 80359810, 160719620]

約数ペア:

[(1, 160719620), (2, 80359810), (4, 40179905), (5, 32143924), (10, 16071962), (20, 8035981), (1783, 90140), (3566, 45070), (4507, 35660), (7132, 22535), (8915, 18028), (9014, 17830)]