25865000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{739}}^1$

素因数の和:772

約数の個数: 80

約数和(自身を含む): 69352800

約数和(自身を除く): 43487800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 739, 875, 1000, 1250, 1400, 1478, 1750, 2500, 2956, 3500, 3695, 4375, 5000, 5173, 5912, 7000, 7390, 8750, 10346, 14780, 17500, 18475, 20692, 25865, 29560, 35000, 36950, 41384, 51730, 73900, 92375, 103460, 129325, 147800, 184750, 206920, 258650, 369500, 461875, 517300, 646625, 739000, 923750, 1034600, 1293250, 1847500, 2586500, 3233125, 3695000, 5173000, 6466250, 12932500, 25865000]

約数ペア:

[(1, 25865000), (2, 12932500), (4, 6466250), (5, 5173000), (7, 3695000), (8, 3233125), (10, 2586500), (14, 1847500), (20, 1293250), (25, 1034600), (28, 923750), (35, 739000), (40, 646625), (50, 517300), (56, 461875), (70, 369500), (100, 258650), (125, 206920), (140, 184750), (175, 147800), (200, 129325), (250, 103460), (280, 92375), (350, 73900), (500, 51730), (625, 41384), (700, 36950), (739, 35000), (875, 29560), (1000, 25865), (1250, 20692), (1400, 18475), (1478, 17500), (1750, 14780), (2500, 10346), (2956, 8750), (3500, 7390), (3695, 7000), (4375, 5912), (5000, 5173)]