4004080

素因数分解:

$2^4\times 5^1\times {\mathrm{50051}}^1$

素因数の和:50064

約数の個数: 20

約数和(自身を含む): 9309672

約数和(自身を除く): 5305592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50051, 100102, 200204, 250255, 400408, 500510, 800816, 1001020, 2002040, 4004080]

約数ペア:

[(1, 4004080), (2, 2002040), (4, 1001020), (5, 800816), (8, 500510), (10, 400408), (16, 250255), (20, 200204), (40, 100102), (80, 50051)]