27440470

素因数分解:

$2^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1987}}^1$

素因数の和:3375

約数の個数: 16

約数和(自身を含む): 49453488

約数和(自身を除く): 22013018

約数列:

[1, 2, 5, 10, 1381, 1987, 2762, 3974, 6905, 9935, 13810, 19870, 2744047, 5488094, 13720235, 27440470]

約数ペア:

[(1, 27440470), (2, 13720235), (5, 5488094), (10, 2744047), (1381, 19870), (1987, 13810), (2762, 9935), (3974, 6905)]