89320640

素因数分解:

$2^6\times 5^1\times {\mathrm{279127}}^1$

素因数の和:279144

約数の個数: 28

約数和(自身を含む): 212695536

約数和(自身を除く): 123374896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 279127, 558254, 1116508, 1395635, 2233016, 2791270, 4466032, 5582540, 8932064, 11165080, 17864128, 22330160, 44660320, 89320640]

約数ペア:

[(1, 89320640), (2, 44660320), (4, 22330160), (5, 17864128), (8, 11165080), (10, 8932064), (16, 5582540), (20, 4466032), (32, 2791270), (40, 2233016), (64, 1395635), (80, 1116508), (160, 558254), (320, 279127)]