11705680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{20903}}^1$

素因数の和:20923

約数の個数: 40

約数和(自身を含む): 31105152

約数和(自身を除く): 19399472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 20903, 41806, 83612, 104515, 146321, 167224, 209030, 292642, 334448, 418060, 585284, 731605, 836120, 1170568, 1463210, 1672240, 2341136, 2926420, 5852840, 11705680]

約数ペア:

[(1, 11705680), (2, 5852840), (4, 2926420), (5, 2341136), (7, 1672240), (8, 1463210), (10, 1170568), (14, 836120), (16, 731605), (20, 585284), (28, 418060), (35, 334448), (40, 292642), (56, 209030), (70, 167224), (80, 146321), (112, 104515), (140, 83612), (280, 41806), (560, 20903)]