16105720

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2939}}^1$

素因数の和:3087

約数の個数: 32

約数和(自身を含む): 36514800

約数和(自身を除く): 20409080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 2939, 5480, 5878, 11756, 14695, 23512, 29390, 58780, 117560, 402643, 805286, 1610572, 2013215, 3221144, 4026430, 8052860, 16105720]

約数ペア:

[(1, 16105720), (2, 8052860), (4, 4026430), (5, 3221144), (8, 2013215), (10, 1610572), (20, 805286), (40, 402643), (137, 117560), (274, 58780), (548, 29390), (685, 23512), (1096, 14695), (1370, 11756), (2740, 5878), (2939, 5480)]