78603280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{140363}}^1$

素因数の和:140383

約数の個数: 40

約数和(自身を含む): 208861632

約数和(自身を除く): 130258352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 140363, 280726, 561452, 701815, 982541, 1122904, 1403630, 1965082, 2245808, 2807260, 3930164, 4912705, 5614520, 7860328, 9825410, 11229040, 15720656, 19650820, 39301640, 78603280]

約数ペア:

[(1, 78603280), (2, 39301640), (4, 19650820), (5, 15720656), (7, 11229040), (8, 9825410), (10, 7860328), (14, 5614520), (16, 4912705), (20, 3930164), (28, 2807260), (35, 2245808), (40, 1965082), (56, 1403630), (70, 1122904), (80, 982541), (112, 701815), (140, 561452), (280, 280726), (560, 140363)]