67685720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23833}}^1$

素因数の和:23915

約数の個数: 32

約数和(自身を含む): 154444320

約数和(自身を除く): 86758600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 23833, 47666, 95332, 119165, 190664, 238330, 476660, 953320, 1692143, 3384286, 6768572, 8460715, 13537144, 16921430, 33842860, 67685720]

約数ペア:

[(1, 67685720), (2, 33842860), (4, 16921430), (5, 13537144), (8, 8460715), (10, 6768572), (20, 3384286), (40, 1692143), (71, 953320), (142, 476660), (284, 238330), (355, 190664), (568, 119165), (710, 95332), (1420, 47666), (2840, 23833)]