16272080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^2$

素因数の和:117

約数の個数: 90

約数和(自身を含む): 42623574

約数和(自身を除く): 26351494

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 121, 164, 176, 205, 220, 242, 328, 410, 440, 451, 484, 605, 656, 820, 880, 902, 968, 1210, 1640, 1681, 1804, 1936, 2255, 2420, 3280, 3362, 3608, 4510, 4840, 4961, 6724, 7216, 8405, 9020, 9680, 9922, 13448, 16810, 18040, 18491, 19844, 24805, 26896, 33620, 36080, 36982, 39688, 49610, 67240, 73964, 79376, 92455, 99220, 134480, 147928, 184910, 198440, 203401, 295856, 369820, 396880, 406802, 739640, 813604, 1017005, 1479280, 1627208, 2034010, 3254416, 4068020, 8136040, 16272080]

約数ペア:

[(1, 16272080), (2, 8136040), (4, 4068020), (5, 3254416), (8, 2034010), (10, 1627208), (11, 1479280), (16, 1017005), (20, 813604), (22, 739640), (40, 406802), (41, 396880), (44, 369820), (55, 295856), (80, 203401), (82, 198440), (88, 184910), (110, 147928), (121, 134480), (164, 99220), (176, 92455), (205, 79376), (220, 73964), (242, 67240), (328, 49610), (410, 39688), (440, 36982), (451, 36080), (484, 33620), (605, 26896), (656, 24805), (820, 19844), (880, 18491), (902, 18040), (968, 16810), (1210, 13448), (1640, 9922), (1681, 9680), (1804, 9020), (1936, 8405), (2255, 7216), (2420, 6724), (3280, 4961), (3362, 4840), (3608, 4510)]