26151740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 57480192

約数和(自身を除く): 31328452

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 647, 860, 940, 1294, 2021, 2588, 3235, 4042, 6470, 8084, 10105, 12940, 20210, 27821, 30409, 40420, 55642, 60818, 111284, 121636, 139105, 152045, 278210, 304090, 556420, 608180, 1307587, 2615174, 5230348, 6537935, 13075870, 26151740]

約数ペア:

[(1, 26151740), (2, 13075870), (4, 6537935), (5, 5230348), (10, 2615174), (20, 1307587), (43, 608180), (47, 556420), (86, 304090), (94, 278210), (172, 152045), (188, 139105), (215, 121636), (235, 111284), (430, 60818), (470, 55642), (647, 40420), (860, 30409), (940, 27821), (1294, 20210), (2021, 12940), (2588, 10105), (3235, 8084), (4042, 6470)]