7680040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1901}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 17460360

約数和(自身を除く): 9780320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1901, 2020, 3802, 4040, 7604, 9505, 15208, 19010, 38020, 76040, 192001, 384002, 768004, 960005, 1536008, 1920010, 3840020, 7680040]

約数ペア:

[(1, 7680040), (2, 3840020), (4, 1920010), (5, 1536008), (8, 960005), (10, 768004), (20, 384002), (40, 192001), (101, 76040), (202, 38020), (404, 19010), (505, 15208), (808, 9505), (1010, 7604), (1901, 4040), (2020, 3802)]