5200784180

素因数分解:

$2^2\times 5^1\times {\mathrm{260039209}}^1$

素因数の和:260039218

約数の個数: 12

約数和(自身を含む): 10921646820

約数和(自身を除く): 5720862640

約数列:

[1, 2, 4, 5, 10, 20, 260039209, 520078418, 1040156836, 1300196045, 2600392090, 5200784180]

約数ペア:

[(1, 5200784180), (2, 2600392090), (4, 1300196045), (5, 1040156836), (10, 520078418), (20, 260039209)]