54288020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38231}}^1$

素因数の和:38311

約数の個数: 24

約数和(自身を含む): 115613568

約数和(自身を除く): 61325548

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 38231, 76462, 152924, 191155, 382310, 764620, 2714401, 5428802, 10857604, 13572005, 27144010, 54288020]

約数ペア:

[(1, 54288020), (2, 27144010), (4, 13572005), (5, 10857604), (10, 5428802), (20, 2714401), (71, 764620), (142, 382310), (284, 191155), (355, 152924), (710, 76462), (1420, 38231)]