66821710

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{40013}}^1$

素因数の和:40187

約数の個数: 16

約数和(自身を含む): 121002336

約数和(自身を除く): 54180626

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 40013, 80026, 200065, 400130, 6682171, 13364342, 33410855, 66821710]

約数ペア:

[(1, 66821710), (2, 33410855), (5, 13364342), (10, 6682171), (167, 400130), (334, 200065), (835, 80026), (1670, 40013)]