80338525

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 102250400

約数和(自身を除く): 21911875

約数列:

[1, 5, 25, 61, 139, 305, 379, 695, 1525, 1895, 3475, 8479, 9475, 23119, 42395, 52681, 115595, 211975, 263405, 577975, 1317025, 3213541, 16067705, 80338525]

約数ペア:

[(1, 80338525), (5, 16067705), (25, 3213541), (61, 1317025), (139, 577975), (305, 263405), (379, 211975), (695, 115595), (1525, 52681), (1895, 42395), (3475, 23119), (8479, 9475)]