20080300

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1279}}^1$

素因数の和:1450

約数の個数: 36

約数和(自身を含む): 43886080

約数和(自身を除く): 23805780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1279, 1570, 2558, 3140, 3925, 5116, 6395, 7850, 12790, 15700, 25580, 31975, 63950, 127900, 200803, 401606, 803212, 1004015, 2008030, 4016060, 5020075, 10040150, 20080300]

約数ペア:

[(1, 20080300), (2, 10040150), (4, 5020075), (5, 4016060), (10, 2008030), (20, 1004015), (25, 803212), (50, 401606), (100, 200803), (157, 127900), (314, 63950), (628, 31975), (785, 25580), (1279, 15700), (1570, 12790), (2558, 7850), (3140, 6395), (3925, 5116)]