82815320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{295769}}^1$

素因数の和:295787

約数の個数: 32

約数和(自身を含む): 212954400

約数和(自身を除く): 130139080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 295769, 591538, 1183076, 1478845, 2070383, 2366152, 2957690, 4140766, 5915380, 8281532, 10351915, 11830760, 16563064, 20703830, 41407660, 82815320]

約数ペア:

[(1, 82815320), (2, 41407660), (4, 20703830), (5, 16563064), (7, 11830760), (8, 10351915), (10, 8281532), (14, 5915380), (20, 4140766), (28, 2957690), (35, 2366152), (40, 2070383), (56, 1478845), (70, 1183076), (140, 591538), (280, 295769)]