12967040

素因数分解:

$2^7\times 5^1\times {\mathrm{20261}}^1$

素因数の和:20280

約数の個数: 32

約数和(自身を含む): 31000860

約数和(自身を除く): 18033820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20261, 40522, 81044, 101305, 162088, 202610, 324176, 405220, 648352, 810440, 1296704, 1620880, 2593408, 3241760, 6483520, 12967040]

約数ペア:

[(1, 12967040), (2, 6483520), (4, 3241760), (5, 2593408), (8, 1620880), (10, 1296704), (16, 810440), (20, 648352), (32, 405220), (40, 324176), (64, 202610), (80, 162088), (128, 101305), (160, 81044), (320, 40522), (640, 20261)]