39686975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 52080000

約数和(自身を除く): 12393025

約数列:

[1, 5, 25, 31, 41, 155, 205, 775, 1025, 1249, 1271, 6245, 6355, 31225, 31775, 38719, 51209, 193595, 256045, 967975, 1280225, 1587479, 7937395, 39686975]

約数ペア:

[(1, 39686975), (5, 7937395), (25, 1587479), (31, 1280225), (41, 967975), (155, 256045), (205, 193595), (775, 51209), (1025, 38719), (1249, 31775), (1271, 31225), (6245, 6355)]