2018050640

素因数分解:

$2^4\times 5^1\times {\mathrm{25225633}}^1$

素因数の和:25225646

約数の個数: 20

約数和(自身を含む): 4691967924

約数和(自身を除く): 2673917284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25225633, 50451266, 100902532, 126128165, 201805064, 252256330, 403610128, 504512660, 1009025320, 2018050640]

約数ペア:

[(1, 2018050640), (2, 1009025320), (4, 504512660), (5, 403610128), (8, 252256330), (10, 201805064), (16, 126128165), (20, 100902532), (40, 50451266), (80, 25225633)]