216021280

素因数分解:

$2^5\times 5^1\times {\mathrm{1350133}}^1$

素因数の和:1350148

約数の個数: 24

約数和(自身を含む): 510350652

約数和(自身を除く): 294329372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1350133, 2700266, 5400532, 6750665, 10801064, 13501330, 21602128, 27002660, 43204256, 54005320, 108010640, 216021280]

約数ペア:

[(1, 216021280), (2, 108010640), (4, 54005320), (5, 43204256), (8, 27002660), (10, 21602128), (16, 13501330), (20, 10801064), (32, 6750665), (40, 5400532), (80, 2700266), (160, 1350133)]