70021040

素因数分解:

$2^4\times 5^1\times {\mathrm{875263}}^1$

素因数の和:875276

約数の個数: 20

約数和(自身を含む): 162799104

約数和(自身を除く): 92778064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 875263, 1750526, 3501052, 4376315, 7002104, 8752630, 14004208, 17505260, 35010520, 70021040]

約数ペア:

[(1, 70021040), (2, 35010520), (4, 17505260), (5, 14004208), (8, 8752630), (10, 7002104), (16, 4376315), (20, 3501052), (40, 1750526), (80, 875263)]