81974000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2411}}^1$

素因数の和:2451

約数の個数: 80

約数和(自身を含む): 209959776

約数和(自身を除く): 127985776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 680, 850, 1000, 1360, 1700, 2000, 2125, 2411, 3400, 4250, 4822, 6800, 8500, 9644, 12055, 17000, 19288, 24110, 34000, 38576, 40987, 48220, 60275, 81974, 96440, 120550, 163948, 192880, 204935, 241100, 301375, 327896, 409870, 482200, 602750, 655792, 819740, 964400, 1024675, 1205500, 1639480, 2049350, 2411000, 3278960, 4098700, 4822000, 5123375, 8197400, 10246750, 16394800, 20493500, 40987000, 81974000]

約数ペア:

[(1, 81974000), (2, 40987000), (4, 20493500), (5, 16394800), (8, 10246750), (10, 8197400), (16, 5123375), (17, 4822000), (20, 4098700), (25, 3278960), (34, 2411000), (40, 2049350), (50, 1639480), (68, 1205500), (80, 1024675), (85, 964400), (100, 819740), (125, 655792), (136, 602750), (170, 482200), (200, 409870), (250, 327896), (272, 301375), (340, 241100), (400, 204935), (425, 192880), (500, 163948), (680, 120550), (850, 96440), (1000, 81974), (1360, 60275), (1700, 48220), (2000, 40987), (2125, 38576), (2411, 34000), (3400, 24110), (4250, 19288), (4822, 17000), (6800, 12055), (8500, 9644)]