28424080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5303}}^1$

素因数の和:5383

約数の個数: 40

約数和(自身を含む): 67084992

約数和(自身を除く): 38660912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5303, 5360, 10606, 21212, 26515, 42424, 53030, 84848, 106060, 212120, 355301, 424240, 710602, 1421204, 1776505, 2842408, 3553010, 5684816, 7106020, 14212040, 28424080]

約数ペア:

[(1, 28424080), (2, 14212040), (4, 7106020), (5, 5684816), (8, 3553010), (10, 2842408), (16, 1776505), (20, 1421204), (40, 710602), (67, 424240), (80, 355301), (134, 212120), (268, 106060), (335, 84848), (536, 53030), (670, 42424), (1072, 26515), (1340, 21212), (2680, 10606), (5303, 5360)]