9861640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2441}}^1$

素因数の和:2553

約数の個数: 32

約数和(自身を含む): 22417560

約数和(自身を除く): 12555920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2441, 4040, 4882, 9764, 12205, 19528, 24410, 48820, 97640, 246541, 493082, 986164, 1232705, 1972328, 2465410, 4930820, 9861640]

約数ペア:

[(1, 9861640), (2, 4930820), (4, 2465410), (5, 1972328), (8, 1232705), (10, 986164), (20, 493082), (40, 246541), (101, 97640), (202, 48820), (404, 24410), (505, 19528), (808, 12205), (1010, 9764), (2020, 4882), (2441, 4040)]