40808885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{3253}}^1$

素因数の和:3464

約数の個数: 16

約数和(自身を含む): 53027184

約数和(自身を除く): 12218299

約数列:

[1, 5, 13, 65, 193, 965, 2509, 3253, 12545, 16265, 42289, 211445, 627829, 3139145, 8161777, 40808885]

約数ペア:

[(1, 40808885), (5, 8161777), (13, 3139145), (65, 627829), (193, 211445), (965, 42289), (2509, 16265), (3253, 12545)]