164016590

素因数分解:

$2^1\times 5^1\times {\mathrm{4021}}^1\times {\mathrm{4079}}^1$

素因数の和:8107

約数の個数: 16

約数和(自身を含む): 295375680

約数和(自身を除く): 131359090

約数列:

[1, 2, 5, 10, 4021, 4079, 8042, 8158, 20105, 20395, 40210, 40790, 16401659, 32803318, 82008295, 164016590]

約数ペア:

[(1, 164016590), (2, 82008295), (5, 32803318), (10, 16401659), (4021, 40790), (4079, 40210), (8042, 20395), (8158, 20105)]