81349400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 208915200

約数和(自身を除く): 127565800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 103, 110, 200, 206, 220, 275, 359, 412, 440, 515, 550, 718, 824, 1030, 1100, 1133, 1436, 1795, 2060, 2200, 2266, 2575, 2872, 3590, 3949, 4120, 4532, 5150, 5665, 7180, 7898, 8975, 9064, 10300, 11330, 14360, 15796, 17950, 19745, 20600, 22660, 28325, 31592, 35900, 36977, 39490, 45320, 56650, 71800, 73954, 78980, 98725, 113300, 147908, 157960, 184885, 197450, 226600, 295816, 369770, 394900, 406747, 739540, 789800, 813494, 924425, 1479080, 1626988, 1848850, 2033735, 3253976, 3697700, 4067470, 7395400, 8134940, 10168675, 16269880, 20337350, 40674700, 81349400]

約数ペア:

[(1, 81349400), (2, 40674700), (4, 20337350), (5, 16269880), (8, 10168675), (10, 8134940), (11, 7395400), (20, 4067470), (22, 3697700), (25, 3253976), (40, 2033735), (44, 1848850), (50, 1626988), (55, 1479080), (88, 924425), (100, 813494), (103, 789800), (110, 739540), (200, 406747), (206, 394900), (220, 369770), (275, 295816), (359, 226600), (412, 197450), (440, 184885), (515, 157960), (550, 147908), (718, 113300), (824, 98725), (1030, 78980), (1100, 73954), (1133, 71800), (1436, 56650), (1795, 45320), (2060, 39490), (2200, 36977), (2266, 35900), (2575, 31592), (2872, 28325), (3590, 22660), (3949, 20600), (4120, 19745), (4532, 17950), (5150, 15796), (5665, 14360), (7180, 11330), (7898, 10300), (8975, 9064)]