2017908040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{710531}}^1$

素因数の和:710613

約数の個数: 32

約数和(自身を含む): 4604247360

約数和(自身を除く): 2586339320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 710531, 1421062, 2842124, 3552655, 5684248, 7105310, 14210620, 28421240, 50447701, 100895402, 201790804, 252238505, 403581608, 504477010, 1008954020, 2017908040]

約数ペア:

[(1, 2017908040), (2, 1008954020), (4, 504477010), (5, 403581608), (8, 252238505), (10, 201790804), (20, 100895402), (40, 50447701), (71, 28421240), (142, 14210620), (284, 7105310), (355, 5684248), (568, 3552655), (710, 2842124), (1420, 1421062), (2840, 710531)]