90790640

素因数分解:

$2^4\times 5^1\times {\mathrm{1134883}}^1$

素因数の和:1134896

約数の個数: 20

約数和(自身を含む): 211088424

約数和(自身を除く): 120297784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1134883, 2269766, 4539532, 5674415, 9079064, 11348830, 18158128, 22697660, 45395320, 90790640]

約数ペア:

[(1, 90790640), (2, 45395320), (4, 22697660), (5, 18158128), (8, 11348830), (10, 9079064), (16, 5674415), (20, 4539532), (40, 2269766), (80, 1134883)]