39297640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20903}}^1$

素因数の和:20961

約数の個数: 32

約数和(自身を含む): 90305280

約数和(自身を除く): 51007640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 20903, 41806, 83612, 104515, 167224, 209030, 418060, 836120, 982441, 1964882, 3929764, 4912205, 7859528, 9824410, 19648820, 39297640]

約数ペア:

[(1, 39297640), (2, 19648820), (4, 9824410), (5, 7859528), (8, 4912205), (10, 3929764), (20, 1964882), (40, 982441), (47, 836120), (94, 418060), (188, 209030), (235, 167224), (376, 104515), (470, 83612), (940, 41806), (1880, 20903)]