28114640

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{769}}^1$

素因数の和:1239

約数の個数: 40

約数和(自身を含む): 65594760

約数和(自身を除く): 37480120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 769, 914, 1538, 1828, 2285, 3076, 3656, 3845, 4570, 6152, 7312, 7690, 9140, 12304, 15380, 18280, 30760, 36560, 61520, 351433, 702866, 1405732, 1757165, 2811464, 3514330, 5622928, 7028660, 14057320, 28114640]

約数ペア:

[(1, 28114640), (2, 14057320), (4, 7028660), (5, 5622928), (8, 3514330), (10, 2811464), (16, 1757165), (20, 1405732), (40, 702866), (80, 351433), (457, 61520), (769, 36560), (914, 30760), (1538, 18280), (1828, 15380), (2285, 12304), (3076, 9140), (3656, 7690), (3845, 7312), (4570, 6152)]