220885120

素因数分解:

$2^7\times 5^1\times {\mathrm{345133}}^1$

素因数の和:345152

約数の個数: 32

約数和(自身を含む): 528055020

約数和(自身を除く): 307169900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 345133, 690266, 1380532, 1725665, 2761064, 3451330, 5522128, 6902660, 11044256, 13805320, 22088512, 27610640, 44177024, 55221280, 110442560, 220885120]

約数ペア:

[(1, 220885120), (2, 110442560), (4, 55221280), (5, 44177024), (8, 27610640), (10, 22088512), (16, 13805320), (20, 11044256), (32, 6902660), (40, 5522128), (64, 3451330), (80, 2761064), (128, 1725665), (160, 1380532), (320, 690266), (640, 345133)]