12706721320

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{469229}}^1$

素因数の和:469917

約数の個数: 32

約数和(自身を含む): 28632414600

約数和(自身を除く): 15925693280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 2708, 3385, 5416, 6770, 13540, 27080, 469229, 938458, 1876916, 2346145, 3753832, 4692290, 9384580, 18769160, 317668033, 635336066, 1270672132, 1588340165, 2541344264, 3176680330, 6353360660, 12706721320]

約数ペア:

[(1, 12706721320), (2, 6353360660), (4, 3176680330), (5, 2541344264), (8, 1588340165), (10, 1270672132), (20, 635336066), (40, 317668033), (677, 18769160), (1354, 9384580), (2708, 4692290), (3385, 3753832), (5416, 2346145), (6770, 1876916), (13540, 938458), (27080, 469229)]