38668220

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7523}}^1$

素因数の和:7789

約数の個数: 24

約数和(自身を含む): 81530064

約数和(自身を除く): 42861844

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 7523, 15046, 30092, 37615, 75230, 150460, 1933411, 3866822, 7733644, 9667055, 19334110, 38668220]

約数ペア:

[(1, 38668220), (2, 19334110), (4, 9667055), (5, 7733644), (10, 3866822), (20, 1933411), (257, 150460), (514, 75230), (1028, 37615), (1285, 30092), (2570, 15046), (5140, 7523)]