167780720

素因数分解:

$2^4\times 5^1\times {\mathrm{2097259}}^1$

素因数の和:2097272

約数の個数: 20

約数和(自身を含む): 390090360

約数和(自身を除く): 222309640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2097259, 4194518, 8389036, 10486295, 16778072, 20972590, 33556144, 41945180, 83890360, 167780720]

約数ペア:

[(1, 167780720), (2, 83890360), (4, 41945180), (5, 33556144), (8, 20972590), (10, 16778072), (16, 10486295), (20, 8389036), (40, 4194518), (80, 2097259)]