8688020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 22208256

約数和(自身を除く): 13520236

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 101, 110, 115, 170, 187, 202, 220, 230, 253, 340, 374, 391, 404, 460, 505, 506, 748, 782, 935, 1010, 1012, 1111, 1265, 1564, 1717, 1870, 1955, 2020, 2222, 2323, 2530, 3434, 3740, 3910, 4301, 4444, 4646, 5060, 5555, 6868, 7820, 8585, 8602, 9292, 11110, 11615, 17170, 17204, 18887, 21505, 22220, 23230, 25553, 34340, 37774, 39491, 43010, 46460, 51106, 75548, 78982, 86020, 94435, 102212, 127765, 157964, 188870, 197455, 255530, 377740, 394910, 434401, 511060, 789820, 868802, 1737604, 2172005, 4344010, 8688020]

約数ペア:

[(1, 8688020), (2, 4344010), (4, 2172005), (5, 1737604), (10, 868802), (11, 789820), (17, 511060), (20, 434401), (22, 394910), (23, 377740), (34, 255530), (44, 197455), (46, 188870), (55, 157964), (68, 127765), (85, 102212), (92, 94435), (101, 86020), (110, 78982), (115, 75548), (170, 51106), (187, 46460), (202, 43010), (220, 39491), (230, 37774), (253, 34340), (340, 25553), (374, 23230), (391, 22220), (404, 21505), (460, 18887), (505, 17204), (506, 17170), (748, 11615), (782, 11110), (935, 9292), (1010, 8602), (1012, 8585), (1111, 7820), (1265, 6868), (1564, 5555), (1717, 5060), (1870, 4646), (1955, 4444), (2020, 4301), (2222, 3910), (2323, 3740), (2530, 3434)]