2594800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:530

約数の個数: 60

約数和(自身を含む): 6727000

約数和(自身を除く): 4132200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 499, 520, 650, 998, 1040, 1300, 1996, 2495, 2600, 3992, 4990, 5200, 6487, 7984, 9980, 12475, 12974, 19960, 24950, 25948, 32435, 39920, 49900, 51896, 64870, 99800, 103792, 129740, 162175, 199600, 259480, 324350, 518960, 648700, 1297400, 2594800]

約数ペア:

[(1, 2594800), (2, 1297400), (4, 648700), (5, 518960), (8, 324350), (10, 259480), (13, 199600), (16, 162175), (20, 129740), (25, 103792), (26, 99800), (40, 64870), (50, 51896), (52, 49900), (65, 39920), (80, 32435), (100, 25948), (104, 24950), (130, 19960), (200, 12974), (208, 12475), (260, 9980), (325, 7984), (400, 6487), (499, 5200), (520, 4990), (650, 3992), (998, 2600), (1040, 2495), (1300, 1996)]