20173650320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3551699}}^1$

素因数の和:3551783

約数の個数: 40

約数和(自身を含む): 47564366400

約数和(自身を除く): 27390716080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 3551699, 7103398, 14206796, 17758495, 28413592, 35516990, 56827184, 71033980, 142067960, 252170629, 284135920, 504341258, 1008682516, 1260853145, 2017365032, 2521706290, 4034730064, 5043412580, 10086825160, 20173650320]

約数ペア:

[(1, 20173650320), (2, 10086825160), (4, 5043412580), (5, 4034730064), (8, 2521706290), (10, 2017365032), (16, 1260853145), (20, 1008682516), (40, 504341258), (71, 284135920), (80, 252170629), (142, 142067960), (284, 71033980), (355, 56827184), (568, 35516990), (710, 28413592), (1136, 17758495), (1420, 14206796), (2840, 7103398), (5680, 3551699)]