64009340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{45077}}^1$

素因数の和:45157

約数の個数: 24

約数和(自身を含む): 136315872

約数和(自身を除く): 72306532

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 45077, 90154, 180308, 225385, 450770, 901540, 3200467, 6400934, 12801868, 16002335, 32004670, 64009340]

約数ペア:

[(1, 64009340), (2, 32004670), (4, 16002335), (5, 12801868), (10, 6400934), (20, 3200467), (71, 901540), (142, 450770), (284, 225385), (355, 180308), (710, 90154), (1420, 45077)]