40549520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 106868160

約数和(自身を除く): 66318640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 71, 80, 88, 110, 118, 121, 142, 176, 220, 236, 242, 284, 295, 355, 440, 472, 484, 568, 590, 605, 649, 710, 781, 880, 944, 968, 1136, 1180, 1210, 1298, 1420, 1562, 1936, 2360, 2420, 2596, 2840, 3124, 3245, 3905, 4189, 4720, 4840, 5192, 5680, 6248, 6490, 7139, 7810, 8378, 8591, 9680, 10384, 12496, 12980, 14278, 15620, 16756, 17182, 20945, 25960, 28556, 31240, 33512, 34364, 35695, 41890, 42955, 46079, 51920, 57112, 62480, 67024, 68728, 71390, 83780, 85910, 92158, 114224, 137456, 142780, 167560, 171820, 184316, 230395, 285560, 335120, 343640, 368632, 460790, 506869, 571120, 687280, 737264, 921580, 1013738, 1843160, 2027476, 2534345, 3686320, 4054952, 5068690, 8109904, 10137380, 20274760, 40549520]

約数ペア:

[(1, 40549520), (2, 20274760), (4, 10137380), (5, 8109904), (8, 5068690), (10, 4054952), (11, 3686320), (16, 2534345), (20, 2027476), (22, 1843160), (40, 1013738), (44, 921580), (55, 737264), (59, 687280), (71, 571120), (80, 506869), (88, 460790), (110, 368632), (118, 343640), (121, 335120), (142, 285560), (176, 230395), (220, 184316), (236, 171820), (242, 167560), (284, 142780), (295, 137456), (355, 114224), (440, 92158), (472, 85910), (484, 83780), (568, 71390), (590, 68728), (605, 67024), (649, 62480), (710, 57112), (781, 51920), (880, 46079), (944, 42955), (968, 41890), (1136, 35695), (1180, 34364), (1210, 33512), (1298, 31240), (1420, 28556), (1562, 25960), (1936, 20945), (2360, 17182), (2420, 16756), (2596, 15620), (2840, 14278), (3124, 12980), (3245, 12496), (3905, 10384), (4189, 9680), (4720, 8591), (4840, 8378), (5192, 7810), (5680, 7139), (6248, 6490)]