9720140

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2141}}^1$

素因数の和:2377

約数の個数: 24

約数和(自身を含む): 20511792

約数和(自身を除く): 10791652

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2141, 2270, 4282, 4540, 8564, 10705, 21410, 42820, 486007, 972014, 1944028, 2430035, 4860070, 9720140]

約数ペア:

[(1, 9720140), (2, 4860070), (4, 2430035), (5, 1944028), (10, 972014), (20, 486007), (227, 42820), (454, 21410), (908, 10705), (1135, 8564), (2141, 4540), (2270, 4282)]