49404640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4349}}^1$

素因数の和:4435

約数の個数: 48

約数和(自身を含む): 118389600

約数和(自身を除く): 68984960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 4349, 5680, 8698, 11360, 17396, 21745, 34792, 43490, 69584, 86980, 139168, 173960, 308779, 347920, 617558, 695840, 1235116, 1543895, 2470232, 3087790, 4940464, 6175580, 9880928, 12351160, 24702320, 49404640]

約数ペア:

[(1, 49404640), (2, 24702320), (4, 12351160), (5, 9880928), (8, 6175580), (10, 4940464), (16, 3087790), (20, 2470232), (32, 1543895), (40, 1235116), (71, 695840), (80, 617558), (142, 347920), (160, 308779), (284, 173960), (355, 139168), (568, 86980), (710, 69584), (1136, 43490), (1420, 34792), (2272, 21745), (2840, 17396), (4349, 11360), (5680, 8698)]