5256040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 11952360

約数和(自身を除く): 6696320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1301, 2020, 2602, 4040, 5204, 6505, 10408, 13010, 26020, 52040, 131401, 262802, 525604, 657005, 1051208, 1314010, 2628020, 5256040]

約数ペア:

[(1, 5256040), (2, 2628020), (4, 1314010), (5, 1051208), (8, 657005), (10, 525604), (20, 262802), (40, 131401), (101, 52040), (202, 26020), (404, 13010), (505, 10408), (808, 6505), (1010, 5204), (1301, 4040), (2020, 2602)]