25956520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15091}}^1$

素因数の和:15145

約数の個数: 32

約数和(自身を含む): 59764320

約数和(自身を除く): 33807800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15091, 30182, 60364, 75455, 120728, 150910, 301820, 603640, 648913, 1297826, 2595652, 3244565, 5191304, 6489130, 12978260, 25956520]

約数ペア:

[(1, 25956520), (2, 12978260), (4, 6489130), (5, 5191304), (8, 3244565), (10, 2595652), (20, 1297826), (40, 648913), (43, 603640), (86, 301820), (172, 150910), (215, 120728), (344, 75455), (430, 60364), (860, 30182), (1720, 15091)]