39902900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5051}}^1$

素因数の和:5144

約数の個数: 36

約数和(自身を含む): 87702720

約数和(自身を除く): 47799820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 5051, 7900, 10102, 20204, 25255, 50510, 101020, 126275, 252550, 399029, 505100, 798058, 1596116, 1995145, 3990290, 7980580, 9975725, 19951450, 39902900]

約数ペア:

[(1, 39902900), (2, 19951450), (4, 9975725), (5, 7980580), (10, 3990290), (20, 1995145), (25, 1596116), (50, 798058), (79, 505100), (100, 399029), (158, 252550), (316, 126275), (395, 101020), (790, 50510), (1580, 25255), (1975, 20204), (3950, 10102), (5051, 7900)]