51787820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{369913}}^1$

素因数の和:369929

約数の個数: 24

約数和(自身を含む): 124291104

約数和(自身を除く): 72503284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 369913, 739826, 1479652, 1849565, 2589391, 3699130, 5178782, 7398260, 10357564, 12946955, 25893910, 51787820]

約数ペア:

[(1, 51787820), (2, 25893910), (4, 12946955), (5, 10357564), (7, 7398260), (10, 5178782), (14, 3699130), (20, 2589391), (28, 1849565), (35, 1479652), (70, 739826), (140, 369913)]