262442960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1987}}^1$

素因数の和:2140

約数の個数: 80

約数和(自身を含む): 662624256

約数和(自身を除く): 400181296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 1987, 2032, 2540, 3302, 3974, 5080, 6604, 7948, 8255, 9935, 10160, 13208, 15896, 16510, 19870, 25831, 26416, 31792, 33020, 39740, 51662, 66040, 79480, 103324, 129155, 132080, 158960, 206648, 252349, 258310, 413296, 504698, 516620, 1009396, 1033240, 1261745, 2018792, 2066480, 2523490, 3280537, 4037584, 5046980, 6561074, 10093960, 13122148, 16402685, 20187920, 26244296, 32805370, 52488592, 65610740, 131221480, 262442960]

約数ペア:

[(1, 262442960), (2, 131221480), (4, 65610740), (5, 52488592), (8, 32805370), (10, 26244296), (13, 20187920), (16, 16402685), (20, 13122148), (26, 10093960), (40, 6561074), (52, 5046980), (65, 4037584), (80, 3280537), (104, 2523490), (127, 2066480), (130, 2018792), (208, 1261745), (254, 1033240), (260, 1009396), (508, 516620), (520, 504698), (635, 413296), (1016, 258310), (1040, 252349), (1270, 206648), (1651, 158960), (1987, 132080), (2032, 129155), (2540, 103324), (3302, 79480), (3974, 66040), (5080, 51662), (6604, 39740), (7948, 33020), (8255, 31792), (9935, 26416), (10160, 25831), (13208, 19870), (15896, 16510)]