2017289720

素因数分解:

$2^3\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{42703}}^1$

素因数の和:43895

約数の個数: 32

約数和(自身を含む): 4542851520

約数和(自身を除く): 2525561800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1181, 2362, 4724, 5905, 9448, 11810, 23620, 42703, 47240, 85406, 170812, 213515, 341624, 427030, 854060, 1708120, 50432243, 100864486, 201728972, 252161215, 403457944, 504322430, 1008644860, 2017289720]

約数ペア:

[(1, 2017289720), (2, 1008644860), (4, 504322430), (5, 403457944), (8, 252161215), (10, 201728972), (20, 100864486), (40, 50432243), (1181, 1708120), (2362, 854060), (4724, 427030), (5905, 341624), (9448, 213515), (11810, 170812), (23620, 85406), (42703, 47240)]