71320640

素因数分解:

$2^6\times 5^1\times {\mathrm{222877}}^1$

素因数の和:222894

約数の個数: 28

約数和(自身を含む): 169833036

約数和(自身を除く): 98512396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 222877, 445754, 891508, 1114385, 1783016, 2228770, 3566032, 4457540, 7132064, 8915080, 14264128, 17830160, 35660320, 71320640]

約数ペア:

[(1, 71320640), (2, 35660320), (4, 17830160), (5, 14264128), (8, 8915080), (10, 7132064), (16, 4457540), (20, 3566032), (32, 2228770), (40, 1783016), (64, 1114385), (80, 891508), (160, 445754), (320, 222877)]