15585220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{111323}}^1$

素因数の和:111339

約数の個数: 24

約数和(自身を含む): 37404864

約数和(自身を除く): 21819644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 111323, 222646, 445292, 556615, 779261, 1113230, 1558522, 2226460, 3117044, 3896305, 7792610, 15585220]

約数ペア:

[(1, 15585220), (2, 7792610), (4, 3896305), (5, 3117044), (7, 2226460), (10, 1558522), (14, 1113230), (20, 779261), (28, 556615), (35, 445292), (70, 222646), (140, 111323)]