204030280

素因数分解:

$2^3\times 5^1\times {\mathrm{5100757}}^1$

素因数の和:5100768

約数の個数: 16

約数和(自身を含む): 459068220

約数和(自身を除く): 255037940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5100757, 10201514, 20403028, 25503785, 40806056, 51007570, 102015140, 204030280]

約数ペア:

[(1, 204030280), (2, 102015140), (4, 51007570), (5, 40806056), (8, 25503785), (10, 20403028), (20, 10201514), (40, 5100757)]