81068650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{124721}}^1$

素因数の和:124746

約数の個数: 24

約数和(自身を含む): 162388044

約数和(自身を除く): 81319394

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 124721, 249442, 623605, 1247210, 1621373, 3118025, 3242746, 6236050, 8106865, 16213730, 40534325, 81068650]

約数ペア:

[(1, 81068650), (2, 40534325), (5, 16213730), (10, 8106865), (13, 6236050), (25, 3242746), (26, 3118025), (50, 1621373), (65, 1247210), (130, 623605), (325, 249442), (650, 124721)]