25885180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18229}}^1$

素因数の和:18309

約数の個数: 24

約数和(自身を含む): 55127520

約数和(自身を除く): 29242340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18229, 36458, 72916, 91145, 182290, 364580, 1294259, 2588518, 5177036, 6471295, 12942590, 25885180]

約数ペア:

[(1, 25885180), (2, 12942590), (4, 6471295), (5, 5177036), (10, 2588518), (20, 1294259), (71, 364580), (142, 182290), (284, 91145), (355, 72916), (710, 36458), (1420, 18229)]