205710040

素因数分解:

$2^3\times 5^1\times {\mathrm{5142751}}^1$

素因数の和:5142762

約数の個数: 16

約数和(自身を含む): 462847680

約数和(自身を除く): 257137640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5142751, 10285502, 20571004, 25713755, 41142008, 51427510, 102855020, 205710040]

約数ペア:

[(1, 205710040), (2, 102855020), (4, 51427510), (5, 41142008), (8, 25713755), (10, 20571004), (20, 10285502), (40, 5142751)]