39619280

素因数分解:

$2^4\times 5^1\times {\mathrm{495241}}^1$

素因数の和:495254

約数の個数: 20

約数和(自身を含む): 92115012

約数和(自身を除く): 52495732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 495241, 990482, 1980964, 2476205, 3961928, 4952410, 7923856, 9904820, 19809640, 39619280]

約数ペア:

[(1, 39619280), (2, 19809640), (4, 9904820), (5, 7923856), (8, 4952410), (10, 3961928), (16, 2476205), (20, 1980964), (40, 990482), (80, 495241)]