2006880080

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{118891}}^1$

素因数の和:119115

約数の個数: 40

約数和(自身を含む): 4688149344

約数和(自身を除く): 2681269264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 16880, 118891, 237782, 475564, 594455, 951128, 1188910, 1902256, 2377820, 4755640, 9511280, 25086001, 50172002, 100344004, 125430005, 200688008, 250860010, 401376016, 501720020, 1003440040, 2006880080]

約数ペア:

[(1, 2006880080), (2, 1003440040), (4, 501720020), (5, 401376016), (8, 250860010), (10, 200688008), (16, 125430005), (20, 100344004), (40, 50172002), (80, 25086001), (211, 9511280), (422, 4755640), (844, 2377820), (1055, 1902256), (1688, 1188910), (2110, 951128), (3376, 594455), (4220, 475564), (8440, 237782), (16880, 118891)]