2005102520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{13967}}^1$

素因数の和:14112

約数の個数: 64

約数和(自身を含む): 4681514880

約数和(自身を除く): 2676412360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 740, 776, 970, 1480, 1940, 3589, 3880, 7178, 13967, 14356, 17945, 27934, 28712, 35890, 55868, 69835, 71780, 111736, 139670, 143560, 279340, 516779, 558680, 1033558, 1354799, 2067116, 2583895, 2709598, 4134232, 5167790, 5419196, 6773995, 10335580, 10838392, 13547990, 20671160, 27095980, 50127563, 54191960, 100255126, 200510252, 250637815, 401020504, 501275630, 1002551260, 2005102520]

約数ペア:

[(1, 2005102520), (2, 1002551260), (4, 501275630), (5, 401020504), (8, 250637815), (10, 200510252), (20, 100255126), (37, 54191960), (40, 50127563), (74, 27095980), (97, 20671160), (148, 13547990), (185, 10838392), (194, 10335580), (296, 6773995), (370, 5419196), (388, 5167790), (485, 4134232), (740, 2709598), (776, 2583895), (970, 2067116), (1480, 1354799), (1940, 1033558), (3589, 558680), (3880, 516779), (7178, 279340), (13967, 143560), (14356, 139670), (17945, 111736), (27934, 71780), (28712, 69835), (35890, 55868)]