41664640

素因数分解:

$2^7\times 5^1\times {\mathrm{65101}}^1$

素因数の和:65120

約数の個数: 32

約数和(自身を含む): 99606060

約数和(自身を除く): 57941420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 65101, 130202, 260404, 325505, 520808, 651010, 1041616, 1302020, 2083232, 2604040, 4166464, 5208080, 8332928, 10416160, 20832320, 41664640]

約数ペア:

[(1, 41664640), (2, 20832320), (4, 10416160), (5, 8332928), (8, 5208080), (10, 4166464), (16, 2604040), (20, 2083232), (32, 1302020), (40, 1041616), (64, 651010), (80, 520808), (128, 325505), (160, 260404), (320, 130202), (640, 65101)]