193640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 449280

約数和(自身を除く): 255640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 103, 188, 206, 235, 376, 412, 470, 515, 824, 940, 1030, 1880, 2060, 4120, 4841, 9682, 19364, 24205, 38728, 48410, 96820, 193640]

約数ペア:

[(1, 193640), (2, 96820), (4, 48410), (5, 38728), (8, 24205), (10, 19364), (20, 9682), (40, 4841), (47, 4120), (94, 2060), (103, 1880), (188, 1030), (206, 940), (235, 824), (376, 515), (412, 470)]