25142540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{15913}}^1$

素因数の和:16001

約数の個数: 24

約数和(自身を含む): 53471040

約数和(自身を除く): 28328500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 15913, 31826, 63652, 79565, 159130, 318260, 1257127, 2514254, 5028508, 6285635, 12571270, 25142540]

約数ペア:

[(1, 25142540), (2, 12571270), (4, 6285635), (5, 5028508), (10, 2514254), (20, 1257127), (79, 318260), (158, 159130), (316, 79565), (395, 63652), (790, 31826), (1580, 15913)]