1720432880

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{111427}}^1$

素因数の和:111633

約数の個数: 40

約数和(自身を含む): 4020767952

約数和(自身を除く): 2300335072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 111427, 222854, 445708, 557135, 891416, 1114270, 1782832, 2228540, 4457080, 8914160, 21505411, 43010822, 86021644, 107527055, 172043288, 215054110, 344086576, 430108220, 860216440, 1720432880]

約数ペア:

[(1, 1720432880), (2, 860216440), (4, 430108220), (5, 344086576), (8, 215054110), (10, 172043288), (16, 107527055), (20, 86021644), (40, 43010822), (80, 21505411), (193, 8914160), (386, 4457080), (772, 2228540), (965, 1782832), (1544, 1114270), (1930, 891416), (3088, 557135), (3860, 445708), (7720, 222854), (15440, 111427)]