81994000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{3727}}^1$

素因数の和:3761

約数の個数: 80

約数和(自身を含む): 216343296

約数和(自身を除く): 134349296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 1000, 1100, 1375, 2000, 2200, 2750, 3727, 4400, 5500, 7454, 11000, 14908, 18635, 22000, 29816, 37270, 40997, 59632, 74540, 81994, 93175, 149080, 163988, 186350, 204985, 298160, 327976, 372700, 409970, 465875, 655952, 745400, 819940, 931750, 1024925, 1490800, 1639880, 1863500, 2049850, 3279760, 3727000, 4099700, 5124625, 7454000, 8199400, 10249250, 16398800, 20498500, 40997000, 81994000]

約数ペア:

[(1, 81994000), (2, 40997000), (4, 20498500), (5, 16398800), (8, 10249250), (10, 8199400), (11, 7454000), (16, 5124625), (20, 4099700), (22, 3727000), (25, 3279760), (40, 2049850), (44, 1863500), (50, 1639880), (55, 1490800), (80, 1024925), (88, 931750), (100, 819940), (110, 745400), (125, 655952), (176, 465875), (200, 409970), (220, 372700), (250, 327976), (275, 298160), (400, 204985), (440, 186350), (500, 163988), (550, 149080), (880, 93175), (1000, 81994), (1100, 74540), (1375, 59632), (2000, 40997), (2200, 37270), (2750, 29816), (3727, 22000), (4400, 18635), (5500, 14908), (7454, 11000)]