9728260

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1213}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 20497176

約数和(自身を除く): 10768916

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1213, 1604, 2005, 2426, 4010, 4852, 6065, 8020, 12130, 24260, 486413, 972826, 1945652, 2432065, 4864130, 9728260]

約数ペア:

[(1, 9728260), (2, 4864130), (4, 2432065), (5, 1945652), (10, 972826), (20, 486413), (401, 24260), (802, 12130), (1213, 8020), (1604, 6065), (2005, 4852), (2426, 4010)]