2495290180

素因数分解:

$2^2\times 5^1\times {\mathrm{124764509}}^1$

素因数の和:124764518

約数の個数: 12

約数和(自身を含む): 5240109420

約数和(自身を除く): 2744819240

約数列:

[1, 2, 4, 5, 10, 20, 124764509, 249529018, 499058036, 623822545, 1247645090, 2495290180]

約数ペア:

[(1, 2495290180), (2, 1247645090), (4, 623822545), (5, 499058036), (10, 249529018), (20, 124764509)]