201636440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63809}}^1$

素因数の和:63899

約数の個数: 32

約数和(自身を含む): 459432000

約数和(自身を除く): 257795560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 63809, 127618, 255236, 319045, 510472, 638090, 1276180, 2552360, 5040911, 10081822, 20163644, 25204555, 40327288, 50409110, 100818220, 201636440]

約数ペア:

[(1, 201636440), (2, 100818220), (4, 50409110), (5, 40327288), (8, 25204555), (10, 20163644), (20, 10081822), (40, 5040911), (79, 2552360), (158, 1276180), (316, 638090), (395, 510472), (632, 319045), (790, 255236), (1580, 127618), (3160, 63809)]