11665040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3447

約数の個数: 40

約数和(自身を含む): 27760128

約数和(自身を除く): 16095088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3391, 3440, 6782, 13564, 16955, 27128, 33910, 54256, 67820, 135640, 145813, 271280, 291626, 583252, 729065, 1166504, 1458130, 2333008, 2916260, 5832520, 11665040]

約数ペア:

[(1, 11665040), (2, 5832520), (4, 2916260), (5, 2333008), (8, 1458130), (10, 1166504), (16, 729065), (20, 583252), (40, 291626), (43, 271280), (80, 145813), (86, 135640), (172, 67820), (215, 54256), (344, 33910), (430, 27128), (688, 16955), (860, 13564), (1720, 6782), (3391, 3440)]