66882680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{45191}}^1$

素因数の和:45239

約数の個数: 32

約数和(自身を含む): 154556640

約数和(自身を除く): 87673960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 45191, 90382, 180764, 225955, 361528, 451910, 903820, 1672067, 1807640, 3344134, 6688268, 8360335, 13376536, 16720670, 33441340, 66882680]

約数ペア:

[(1, 66882680), (2, 33441340), (4, 16720670), (5, 13376536), (8, 8360335), (10, 6688268), (20, 3344134), (37, 1807640), (40, 1672067), (74, 903820), (148, 451910), (185, 361528), (296, 225955), (370, 180764), (740, 90382), (1480, 45191)]