97881340

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{2473}}^1$

素因数の和:4461

約数の個数: 24

約数和(自身を含む): 205737840

約数和(自身を除く): 107856500

約数列:

[1, 2, 4, 5, 10, 20, 1979, 2473, 3958, 4946, 7916, 9892, 9895, 12365, 19790, 24730, 39580, 49460, 4894067, 9788134, 19576268, 24470335, 48940670, 97881340]

約数ペア:

[(1, 97881340), (2, 48940670), (4, 24470335), (5, 19576268), (10, 9788134), (20, 4894067), (1979, 49460), (2473, 39580), (3958, 24730), (4946, 19790), (7916, 12365), (9892, 9895)]