40280840

素因数分解:

$2^3\times 5^1\times {\mathrm{1007021}}^1$

素因数の和:1007032

約数の個数: 16

約数和(自身を含む): 90631980

約数和(自身を除く): 50351140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1007021, 2014042, 4028084, 5035105, 8056168, 10070210, 20140420, 40280840]

約数ペア:

[(1, 40280840), (2, 20140420), (4, 10070210), (5, 8056168), (8, 5035105), (10, 4028084), (20, 2014042), (40, 1007021)]