4902020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1871}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 10378368

約数和(自身を除く): 5476348

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1871, 2620, 3742, 7484, 9355, 18710, 37420, 245101, 490202, 980404, 1225505, 2451010, 4902020]

約数ペア:

[(1, 4902020), (2, 2451010), (4, 1225505), (5, 980404), (10, 490202), (20, 245101), (131, 37420), (262, 18710), (524, 9355), (655, 7484), (1310, 3742), (1871, 2620)]