4780720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{8537}}^1$

素因数の和:8557

約数の個数: 40

約数和(自身を含む): 12704544

約数和(自身を除く): 7923824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 8537, 17074, 34148, 42685, 59759, 68296, 85370, 119518, 136592, 170740, 239036, 298795, 341480, 478072, 597590, 682960, 956144, 1195180, 2390360, 4780720]

約数ペア:

[(1, 4780720), (2, 2390360), (4, 1195180), (5, 956144), (7, 682960), (8, 597590), (10, 478072), (14, 341480), (16, 298795), (20, 239036), (28, 170740), (35, 136592), (40, 119518), (56, 85370), (70, 68296), (80, 59759), (112, 42685), (140, 34148), (280, 17074), (560, 8537)]