26585140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 57435840

約数和(自身を除く): 30850700

約数列:

[1, 2, 4, 5, 10, 20, 73, 131, 139, 146, 262, 278, 292, 365, 524, 556, 655, 695, 730, 1310, 1390, 1460, 2620, 2780, 9563, 10147, 18209, 19126, 20294, 36418, 38252, 40588, 47815, 50735, 72836, 91045, 95630, 101470, 182090, 191260, 202940, 364180, 1329257, 2658514, 5317028, 6646285, 13292570, 26585140]

約数ペア:

[(1, 26585140), (2, 13292570), (4, 6646285), (5, 5317028), (10, 2658514), (20, 1329257), (73, 364180), (131, 202940), (139, 191260), (146, 182090), (262, 101470), (278, 95630), (292, 91045), (365, 72836), (524, 50735), (556, 47815), (655, 40588), (695, 38252), (730, 36418), (1310, 20294), (1390, 19126), (1460, 18209), (2620, 10147), (2780, 9563)]