68045720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16843}}^1$

素因数の和:16955

約数の個数: 32

約数和(自身を含む): 154627920

約数和(自身を除く): 86582200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 16843, 33686, 67372, 84215, 134744, 168430, 336860, 673720, 1701143, 3402286, 6804572, 8505715, 13609144, 17011430, 34022860, 68045720]

約数ペア:

[(1, 68045720), (2, 34022860), (4, 17011430), (5, 13609144), (8, 8505715), (10, 6804572), (20, 3402286), (40, 1701143), (101, 673720), (202, 336860), (404, 168430), (505, 134744), (808, 84215), (1010, 67372), (2020, 33686), (4040, 16843)]