77001920

素因数分解:

$2^6\times 5^1\times {\mathrm{240631}}^1$

素因数の和:240648

約数の個数: 28

約数和(自身を含む): 183361584

約数和(自身を除く): 106359664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 240631, 481262, 962524, 1203155, 1925048, 2406310, 3850096, 4812620, 7700192, 9625240, 15400384, 19250480, 38500960, 77001920]

約数ペア:

[(1, 77001920), (2, 38500960), (4, 19250480), (5, 15400384), (8, 9625240), (10, 7700192), (16, 4812620), (20, 3850096), (32, 2406310), (40, 1925048), (64, 1203155), (80, 962524), (160, 481262), (320, 240631)]