12788680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8641}}^1$

素因数の和:8689

約数の個数: 32

約数和(自身を含む): 29555640

約数和(自身を除く): 16766960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 8641, 17282, 34564, 43205, 69128, 86410, 172820, 319717, 345640, 639434, 1278868, 1598585, 2557736, 3197170, 6394340, 12788680]

約数ペア:

[(1, 12788680), (2, 6394340), (4, 3197170), (5, 2557736), (8, 1598585), (10, 1278868), (20, 639434), (37, 345640), (40, 319717), (74, 172820), (148, 86410), (185, 69128), (296, 43205), (370, 34564), (740, 17282), (1480, 8641)]