28565120

素因数分解:

$2^7\times 5^1\times {\mathrm{44633}}^1$

素因数の和:44652

約数の個数: 32

約数和(自身を含む): 68290020

約数和(自身を除く): 39724900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44633, 89266, 178532, 223165, 357064, 446330, 714128, 892660, 1428256, 1785320, 2856512, 3570640, 5713024, 7141280, 14282560, 28565120]

約数ペア:

[(1, 28565120), (2, 14282560), (4, 7141280), (5, 5713024), (8, 3570640), (10, 2856512), (16, 1785320), (20, 1428256), (32, 892660), (40, 714128), (64, 446330), (80, 357064), (128, 223165), (160, 178532), (320, 89266), (640, 44633)]