61745080

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4423}}^1$

素因数の和:4783

約数の個数: 32

約数和(自身を含む): 139356000

約数和(自身を除く): 77610920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 4423, 6980, 8846, 13960, 17692, 22115, 35384, 44230, 88460, 176920, 1543627, 3087254, 6174508, 7718135, 12349016, 15436270, 30872540, 61745080]

約数ペア:

[(1, 61745080), (2, 30872540), (4, 15436270), (5, 12349016), (8, 7718135), (10, 6174508), (20, 3087254), (40, 1543627), (349, 176920), (698, 88460), (1396, 44230), (1745, 35384), (2792, 22115), (3490, 17692), (4423, 13960), (6980, 8846)]