20172324280

素因数分解:

$2^3\times 5^1\times {\mathrm{10973}}^1\times {\mathrm{45959}}^1$

素因数の和:56943

約数の個数: 32

約数和(自身を含む): 45392853600

約数和(自身を除く): 25220529320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10973, 21946, 43892, 45959, 54865, 87784, 91918, 109730, 183836, 219460, 229795, 367672, 438920, 459590, 919180, 1838360, 504308107, 1008616214, 2017232428, 2521540535, 4034464856, 5043081070, 10086162140, 20172324280]

約数ペア:

[(1, 20172324280), (2, 10086162140), (4, 5043081070), (5, 4034464856), (8, 2521540535), (10, 2017232428), (20, 1008616214), (40, 504308107), (10973, 1838360), (21946, 919180), (43892, 459590), (45959, 438920), (54865, 367672), (87784, 229795), (91918, 219460), (109730, 183836)]