66751240

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3767}}^1$

素因数の和:4221

約数の個数: 32

約数和(自身を含む): 150569280

約数和(自身を除く): 83818040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 3767, 4430, 7534, 8860, 15068, 17720, 18835, 30136, 37670, 75340, 150680, 1668781, 3337562, 6675124, 8343905, 13350248, 16687810, 33375620, 66751240]

約数ペア:

[(1, 66751240), (2, 33375620), (4, 16687810), (5, 13350248), (8, 8343905), (10, 6675124), (20, 3337562), (40, 1668781), (443, 150680), (886, 75340), (1772, 37670), (2215, 30136), (3544, 18835), (3767, 17720), (4430, 15068), (7534, 8860)]