68353720

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2473}}^1$

素因数の和:3175

約数の個数: 32

約数和(自身を含む): 154080720

約数和(自身を除く): 85727000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2473, 2764, 3455, 4946, 5528, 6910, 9892, 12365, 13820, 19784, 24730, 27640, 49460, 98920, 1708843, 3417686, 6835372, 8544215, 13670744, 17088430, 34176860, 68353720]

約数ペア:

[(1, 68353720), (2, 34176860), (4, 17088430), (5, 13670744), (8, 8544215), (10, 6835372), (20, 3417686), (40, 1708843), (691, 98920), (1382, 49460), (2473, 27640), (2764, 24730), (3455, 19784), (4946, 13820), (5528, 12365), (6910, 9892)]