4458140

素因数分解:

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

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 9459072

約数和(自身を除く): 5000932

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2207, 4414, 8828, 11035, 22070, 44140, 222907, 445814, 891628, 1114535, 2229070, 4458140]

約数ペア:

[(1, 4458140), (2, 2229070), (4, 1114535), (5, 891628), (10, 445814), (20, 222907), (101, 44140), (202, 22070), (404, 11035), (505, 8828), (1010, 4414), (2020, 2207)]