2036620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 4334400

約数和(自身を除く): 2297780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1289, 1580, 2578, 5156, 6445, 12890, 25780, 101831, 203662, 407324, 509155, 1018310, 2036620]

約数ペア:

[(1, 2036620), (2, 1018310), (4, 509155), (5, 407324), (10, 203662), (20, 101831), (79, 25780), (158, 12890), (316, 6445), (395, 5156), (790, 2578), (1289, 1580)]