204902120

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{5623}}^1$

素因数の和:6545

約数の個数: 32

約数和(自身を含む): 461617920

約数和(自身を除く): 256715800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 3644, 4555, 5623, 7288, 9110, 11246, 18220, 22492, 28115, 36440, 44984, 56230, 112460, 224920, 5122553, 10245106, 20490212, 25612765, 40980424, 51225530, 102451060, 204902120]

約数ペア:

[(1, 204902120), (2, 102451060), (4, 51225530), (5, 40980424), (8, 25612765), (10, 20490212), (20, 10245106), (40, 5122553), (911, 224920), (1822, 112460), (3644, 56230), (4555, 44984), (5623, 36440), (7288, 28115), (9110, 22492), (11246, 18220)]