66833720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 154664640

約数和(自身を除く): 87830920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 101, 142, 202, 233, 284, 355, 404, 466, 505, 568, 710, 808, 932, 1010, 1165, 1420, 1864, 2020, 2330, 2840, 4040, 4660, 7171, 9320, 14342, 16543, 23533, 28684, 33086, 35855, 47066, 57368, 66172, 71710, 82715, 94132, 117665, 132344, 143420, 165430, 188264, 235330, 286840, 330860, 470660, 661720, 941320, 1670843, 3341686, 6683372, 8354215, 13366744, 16708430, 33416860, 66833720]

約数ペア:

[(1, 66833720), (2, 33416860), (4, 16708430), (5, 13366744), (8, 8354215), (10, 6683372), (20, 3341686), (40, 1670843), (71, 941320), (101, 661720), (142, 470660), (202, 330860), (233, 286840), (284, 235330), (355, 188264), (404, 165430), (466, 143420), (505, 132344), (568, 117665), (710, 94132), (808, 82715), (932, 71710), (1010, 66172), (1165, 57368), (1420, 47066), (1864, 35855), (2020, 33086), (2330, 28684), (2840, 23533), (4040, 16543), (4660, 14342), (7171, 9320)]