201078520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{264577}}^1$

素因数の和:264607

約数の個数: 32

約数和(自身を含む): 476240400

約数和(自身を除く): 275161880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 264577, 529154, 1058308, 1322885, 2116616, 2645770, 5026963, 5291540, 10053926, 10583080, 20107852, 25134815, 40215704, 50269630, 100539260, 201078520]

約数ペア:

[(1, 201078520), (2, 100539260), (4, 50269630), (5, 40215704), (8, 25134815), (10, 20107852), (19, 10583080), (20, 10053926), (38, 5291540), (40, 5026963), (76, 2645770), (95, 2116616), (152, 1322885), (190, 1058308), (380, 529154), (760, 264577)]