83989580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{41579}}^1$

素因数の和:41689

約数の個数: 24

約数和(自身を含む): 178128720

約数和(自身を除く): 94139140

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 41579, 83158, 166316, 207895, 415790, 831580, 4199479, 8398958, 16797916, 20997395, 41994790, 83989580]

約数ペア:

[(1, 83989580), (2, 41994790), (4, 20997395), (5, 16797916), (10, 8398958), (20, 4199479), (101, 831580), (202, 415790), (404, 207895), (505, 166316), (1010, 83158), (2020, 41579)]