79280680

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10061}}^1$

素因数の和:10269

約数の個数: 32

約数和(自身を含む): 179304840

約数和(自身を除く): 100024160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 10061, 20122, 40244, 50305, 80488, 100610, 201220, 402440, 1982017, 3964034, 7928068, 9910085, 15856136, 19820170, 39640340, 79280680]

約数ペア:

[(1, 79280680), (2, 39640340), (4, 19820170), (5, 15856136), (8, 9910085), (10, 7928068), (20, 3964034), (40, 1982017), (197, 402440), (394, 201220), (788, 100610), (985, 80488), (1576, 50305), (1970, 40244), (3940, 20122), (7880, 10061)]