2012386280

素因数分解:

$2^3\times 5^1\times {\mathrm{2719}}^1\times {\mathrm{18503}}^1$

素因数の和:21233

約数の個数: 32

約数和(自身を含む): 4529779200

約数和(自身を除く): 2517392920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2719, 5438, 10876, 13595, 18503, 21752, 27190, 37006, 54380, 74012, 92515, 108760, 148024, 185030, 370060, 740120, 50309657, 100619314, 201238628, 251548285, 402477256, 503096570, 1006193140, 2012386280]

約数ペア:

[(1, 2012386280), (2, 1006193140), (4, 503096570), (5, 402477256), (8, 251548285), (10, 201238628), (20, 100619314), (40, 50309657), (2719, 740120), (5438, 370060), (10876, 185030), (13595, 148024), (18503, 108760), (21752, 92515), (27190, 74012), (37006, 54380)]