1280215390

素因数分解:

$2^1\times 5^1\times {\mathrm{5407}}^1\times {\mathrm{23677}}^1$

素因数の和:29091

約数の個数: 16

約数和(自身を含む): 2304911232

約数和(自身を除く): 1024695842

約数列:

[1, 2, 5, 10, 5407, 10814, 23677, 27035, 47354, 54070, 118385, 236770, 128021539, 256043078, 640107695, 1280215390]

約数ペア:

[(1, 1280215390), (2, 640107695), (5, 256043078), (10, 128021539), (5407, 236770), (10814, 118385), (23677, 54070), (27035, 47354)]