15358120

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1949}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 34749000

約数和(自身を除く): 19390880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1949, 1970, 3898, 3940, 7796, 7880, 9745, 15592, 19490, 38980, 77960, 383953, 767906, 1535812, 1919765, 3071624, 3839530, 7679060, 15358120]

約数ペア:

[(1, 15358120), (2, 7679060), (4, 3839530), (5, 3071624), (8, 1919765), (10, 1535812), (20, 767906), (40, 383953), (197, 77960), (394, 38980), (788, 19490), (985, 15592), (1576, 9745), (1949, 7880), (1970, 7796), (3898, 3940)]