12711040

素因数分解:

$2^7\times 5^1\times {\mathrm{19861}}^1$

素因数の和:19880

約数の個数: 32

約数和(自身を含む): 30388860

約数和(自身を除く): 17677820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19861, 39722, 79444, 99305, 158888, 198610, 317776, 397220, 635552, 794440, 1271104, 1588880, 2542208, 3177760, 6355520, 12711040]

約数ペア:

[(1, 12711040), (2, 6355520), (4, 3177760), (5, 2542208), (8, 1588880), (10, 1271104), (16, 794440), (20, 635552), (32, 397220), (40, 317776), (64, 198610), (80, 158888), (128, 99305), (160, 79444), (320, 39722), (640, 19861)]