42578020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16763}}^1$

素因数の和:16899

約数の個数: 24

約数和(自身を含む): 90123264

約数和(自身を除く): 47545244

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 16763, 33526, 67052, 83815, 167630, 335260, 2128901, 4257802, 8515604, 10644505, 21289010, 42578020]

約数ペア:

[(1, 42578020), (2, 21289010), (4, 10644505), (5, 8515604), (10, 4257802), (20, 2128901), (127, 335260), (254, 167630), (508, 83815), (635, 67052), (1270, 33526), (2540, 16763)]