8136040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^2$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 20624310

約数和(自身を除く): 12488270

約数列:

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

約数ペア:

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