8911280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{15913}}^1$

素因数の和:15933

約数の個数: 40

約数和(自身を含む): 23680032

約数和(自身を除く): 14768752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 15913, 31826, 63652, 79565, 111391, 127304, 159130, 222782, 254608, 318260, 445564, 556955, 636520, 891128, 1113910, 1273040, 1782256, 2227820, 4455640, 8911280]

約数ペア:

[(1, 8911280), (2, 4455640), (4, 2227820), (5, 1782256), (7, 1273040), (8, 1113910), (10, 891128), (14, 636520), (16, 556955), (20, 445564), (28, 318260), (35, 254608), (40, 222782), (56, 159130), (70, 127304), (80, 111391), (112, 79565), (140, 63652), (280, 31826), (560, 15913)]