25948000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 68796000

約数和(自身を除く): 42848000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 325, 400, 416, 499, 500, 520, 650, 800, 998, 1000, 1040, 1300, 1625, 1996, 2000, 2080, 2495, 2600, 3250, 3992, 4000, 4990, 5200, 6487, 6500, 7984, 9980, 10400, 12475, 12974, 13000, 15968, 19960, 24950, 25948, 26000, 32435, 39920, 49900, 51896, 52000, 62375, 64870, 79840, 99800, 103792, 124750, 129740, 162175, 199600, 207584, 249500, 259480, 324350, 399200, 499000, 518960, 648700, 810875, 998000, 1037920, 1297400, 1621750, 1996000, 2594800, 3243500, 5189600, 6487000, 12974000, 25948000]

約数ペア:

[(1, 25948000), (2, 12974000), (4, 6487000), (5, 5189600), (8, 3243500), (10, 2594800), (13, 1996000), (16, 1621750), (20, 1297400), (25, 1037920), (26, 998000), (32, 810875), (40, 648700), (50, 518960), (52, 499000), (65, 399200), (80, 324350), (100, 259480), (104, 249500), (125, 207584), (130, 199600), (160, 162175), (200, 129740), (208, 124750), (250, 103792), (260, 99800), (325, 79840), (400, 64870), (416, 62375), (499, 52000), (500, 51896), (520, 49900), (650, 39920), (800, 32435), (998, 26000), (1000, 25948), (1040, 24950), (1300, 19960), (1625, 15968), (1996, 13000), (2000, 12974), (2080, 12475), (2495, 10400), (2600, 9980), (3250, 7984), (3992, 6500), (4000, 6487), (4990, 5200)]