2115640

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 4801680

約数和(自身を除く): 2686040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 233, 454, 466, 908, 932, 1135, 1165, 1816, 1864, 2270, 2330, 4540, 4660, 9080, 9320, 52891, 105782, 211564, 264455, 423128, 528910, 1057820, 2115640]

約数ペア:

[(1, 2115640), (2, 1057820), (4, 528910), (5, 423128), (8, 264455), (10, 211564), (20, 105782), (40, 52891), (227, 9320), (233, 9080), (454, 4660), (466, 4540), (908, 2330), (932, 2270), (1135, 1864), (1165, 1816)]