8916280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2207}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 20269440

約数和(自身を除く): 11353160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2207, 4040, 4414, 8828, 11035, 17656, 22070, 44140, 88280, 222907, 445814, 891628, 1114535, 1783256, 2229070, 4458140, 8916280]

約数ペア:

[(1, 8916280), (2, 4458140), (4, 2229070), (5, 1783256), (8, 1114535), (10, 891628), (20, 445814), (40, 222907), (101, 88280), (202, 44140), (404, 22070), (505, 17656), (808, 11035), (1010, 8828), (2020, 4414), (2207, 4040)]