2086900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 36

約数和(自身を含む): 4648140

約数和(自身を除く): 2561240

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 509, 820, 1018, 1025, 2036, 2050, 2545, 4100, 5090, 10180, 12725, 20869, 25450, 41738, 50900, 83476, 104345, 208690, 417380, 521725, 1043450, 2086900]

約数ペア:

[(1, 2086900), (2, 1043450), (4, 521725), (5, 417380), (10, 208690), (20, 104345), (25, 83476), (41, 50900), (50, 41738), (82, 25450), (100, 20869), (164, 12725), (205, 10180), (410, 5090), (509, 4100), (820, 2545), (1018, 2050), (1025, 2036)]