2005363810

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{490309}}^1$

素因数の和:490725

約数の個数: 16

約数和(自身を含む): 3618487800

約数和(自身を除く): 1613123990

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 490309, 980618, 2451545, 4903090, 200536381, 401072762, 1002681905, 2005363810]

約数ペア:

[(1, 2005363810), (2, 1002681905), (5, 401072762), (10, 200536381), (409, 4903090), (818, 2451545), (2045, 980618), (4090, 490309)]