40549000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 103783680

約数和(自身を除く): 63234680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 41, 43, 46, 50, 82, 86, 92, 100, 115, 125, 164, 172, 184, 200, 205, 215, 230, 250, 328, 344, 410, 430, 460, 500, 575, 820, 860, 920, 943, 989, 1000, 1025, 1075, 1150, 1640, 1720, 1763, 1886, 1978, 2050, 2150, 2300, 2875, 3526, 3772, 3956, 4100, 4300, 4600, 4715, 4945, 5125, 5375, 5750, 7052, 7544, 7912, 8200, 8600, 8815, 9430, 9890, 10250, 10750, 11500, 14104, 17630, 18860, 19780, 20500, 21500, 23000, 23575, 24725, 35260, 37720, 39560, 40549, 41000, 43000, 44075, 47150, 49450, 70520, 81098, 88150, 94300, 98900, 117875, 123625, 162196, 176300, 188600, 197800, 202745, 220375, 235750, 247250, 324392, 352600, 405490, 440750, 471500, 494500, 810980, 881500, 943000, 989000, 1013725, 1621960, 1763000, 2027450, 4054900, 5068625, 8109800, 10137250, 20274500, 40549000]

約数ペア:

[(1, 40549000), (2, 20274500), (4, 10137250), (5, 8109800), (8, 5068625), (10, 4054900), (20, 2027450), (23, 1763000), (25, 1621960), (40, 1013725), (41, 989000), (43, 943000), (46, 881500), (50, 810980), (82, 494500), (86, 471500), (92, 440750), (100, 405490), (115, 352600), (125, 324392), (164, 247250), (172, 235750), (184, 220375), (200, 202745), (205, 197800), (215, 188600), (230, 176300), (250, 162196), (328, 123625), (344, 117875), (410, 98900), (430, 94300), (460, 88150), (500, 81098), (575, 70520), (820, 49450), (860, 47150), (920, 44075), (943, 43000), (989, 41000), (1000, 40549), (1025, 39560), (1075, 37720), (1150, 35260), (1640, 24725), (1720, 23575), (1763, 23000), (1886, 21500), (1978, 20500), (2050, 19780), (2150, 18860), (2300, 17630), (2875, 14104), (3526, 11500), (3772, 10750), (3956, 10250), (4100, 9890), (4300, 9430), (4600, 8815), (4715, 8600), (4945, 8200), (5125, 7912), (5375, 7544), (5750, 7052)]