866871280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3833}}^1$

素因数の和:4114

約数の個数: 80

約数和(自身を含む): 2207831904

約数和(自身を除く): 1340960624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 257, 440, 514, 880, 1028, 1285, 2056, 2570, 2827, 3833, 4112, 5140, 5654, 7666, 10280, 11308, 14135, 15332, 19165, 20560, 22616, 28270, 30664, 38330, 42163, 45232, 56540, 61328, 76660, 84326, 113080, 153320, 168652, 210815, 226160, 306640, 337304, 421630, 674608, 843260, 985081, 1686520, 1970162, 3373040, 3940324, 4925405, 7880648, 9850810, 10835891, 15761296, 19701620, 21671782, 39403240, 43343564, 54179455, 78806480, 86687128, 108358910, 173374256, 216717820, 433435640, 866871280]

約数ペア:

[(1, 866871280), (2, 433435640), (4, 216717820), (5, 173374256), (8, 108358910), (10, 86687128), (11, 78806480), (16, 54179455), (20, 43343564), (22, 39403240), (40, 21671782), (44, 19701620), (55, 15761296), (80, 10835891), (88, 9850810), (110, 7880648), (176, 4925405), (220, 3940324), (257, 3373040), (440, 1970162), (514, 1686520), (880, 985081), (1028, 843260), (1285, 674608), (2056, 421630), (2570, 337304), (2827, 306640), (3833, 226160), (4112, 210815), (5140, 168652), (5654, 153320), (7666, 113080), (10280, 84326), (11308, 76660), (14135, 61328), (15332, 56540), (19165, 45232), (20560, 42163), (22616, 38330), (28270, 30664)]