30636440

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2447}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 69180480

約数和(自身を除く): 38544040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2447, 2504, 3130, 4894, 6260, 9788, 12235, 12520, 19576, 24470, 48940, 97880, 765911, 1531822, 3063644, 3829555, 6127288, 7659110, 15318220, 30636440]

約数ペア:

[(1, 30636440), (2, 15318220), (4, 7659110), (5, 6127288), (8, 3829555), (10, 3063644), (20, 1531822), (40, 765911), (313, 97880), (626, 48940), (1252, 24470), (1565, 19576), (2447, 12520), (2504, 12235), (3130, 9788), (4894, 6260)]