15920240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{28429}}^1$

素因数の和:28449

約数の個数: 40

約数和(自身を含む): 42303840

約数和(自身を除く): 26383600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 28429, 56858, 113716, 142145, 199003, 227432, 284290, 398006, 454864, 568580, 796012, 995015, 1137160, 1592024, 1990030, 2274320, 3184048, 3980060, 7960120, 15920240]

約数ペア:

[(1, 15920240), (2, 7960120), (4, 3980060), (5, 3184048), (7, 2274320), (8, 1990030), (10, 1592024), (14, 1137160), (16, 995015), (20, 796012), (28, 568580), (35, 454864), (40, 398006), (56, 284290), (70, 227432), (80, 199003), (112, 142145), (140, 113716), (280, 56858), (560, 28429)]