9980980

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1303}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 21030912

約数和(自身を除く): 11049932

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1303, 1532, 1915, 2606, 3830, 5212, 6515, 7660, 13030, 26060, 499049, 998098, 1996196, 2495245, 4990490, 9980980]

約数ペア:

[(1, 9980980), (2, 4990490), (4, 2495245), (5, 1996196), (10, 998098), (20, 499049), (383, 26060), (766, 13030), (1303, 7660), (1532, 6515), (1915, 5212), (2606, 3830)]