81737740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{583841}}^1$

素因数の和:583857

約数の個数: 24

約数和(自身を含む): 196170912

約数和(自身を除く): 114433172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 583841, 1167682, 2335364, 2919205, 4086887, 5838410, 8173774, 11676820, 16347548, 20434435, 40868870, 81737740]

約数ペア:

[(1, 81737740), (2, 40868870), (4, 20434435), (5, 16347548), (7, 11676820), (10, 8173774), (14, 5838410), (20, 4086887), (28, 2919205), (35, 2335364), (70, 1167682), (140, 583841)]