5581520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{9967}}^1$

素因数の和:9987

約数の個数: 40

約数和(自身を含む): 14832384

約数和(自身を除く): 9250864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 9967, 19934, 39868, 49835, 69769, 79736, 99670, 139538, 159472, 199340, 279076, 348845, 398680, 558152, 697690, 797360, 1116304, 1395380, 2790760, 5581520]

約数ペア:

[(1, 5581520), (2, 2790760), (4, 1395380), (5, 1116304), (7, 797360), (8, 697690), (10, 558152), (14, 398680), (16, 348845), (20, 279076), (28, 199340), (35, 159472), (40, 139538), (56, 99670), (70, 79736), (80, 69769), (112, 49835), (140, 39868), (280, 19934), (560, 9967)]