28376240

素因数分解:

$2^4\times 5^1\times {\mathrm{354703}}^1$

素因数の和:354716

約数の個数: 20

約数和(自身を含む): 65974944

約数和(自身を除く): 37598704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354703, 709406, 1418812, 1773515, 2837624, 3547030, 5675248, 7094060, 14188120, 28376240]

約数ペア:

[(1, 28376240), (2, 14188120), (4, 7094060), (5, 5675248), (8, 3547030), (10, 2837624), (16, 1773515), (20, 1418812), (40, 709406), (80, 354703)]