12213080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 30754080

約数和(自身を除く): 18541000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 677, 820, 902, 1354, 1640, 1804, 2255, 2708, 3385, 3608, 4510, 5416, 6770, 7447, 9020, 13540, 14894, 18040, 27080, 27757, 29788, 37235, 55514, 59576, 74470, 111028, 138785, 148940, 222056, 277570, 297880, 305327, 555140, 610654, 1110280, 1221308, 1526635, 2442616, 3053270, 6106540, 12213080]

約数ペア:

[(1, 12213080), (2, 6106540), (4, 3053270), (5, 2442616), (8, 1526635), (10, 1221308), (11, 1110280), (20, 610654), (22, 555140), (40, 305327), (41, 297880), (44, 277570), (55, 222056), (82, 148940), (88, 138785), (110, 111028), (164, 74470), (205, 59576), (220, 55514), (328, 37235), (410, 29788), (440, 27757), (451, 27080), (677, 18040), (820, 14894), (902, 13540), (1354, 9020), (1640, 7447), (1804, 6770), (2255, 5416), (2708, 4510), (3385, 3608)]