24999000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:678

約数の個数: 128

約数和(自身を含む): 84127680

約数和(自身を除く): 59128680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 641, 650, 750, 780, 975, 1000, 1282, 1300, 1500, 1560, 1625, 1923, 1950, 2564, 2600, 3000, 3205, 3250, 3846, 3900, 4875, 5128, 6410, 6500, 7692, 7800, 8333, 9615, 9750, 12820, 13000, 15384, 16025, 16666, 19230, 19500, 24999, 25640, 32050, 33332, 38460, 39000, 41665, 48075, 49998, 64100, 66664, 76920, 80125, 83330, 96150, 99996, 124995, 128200, 160250, 166660, 192300, 199992, 208325, 240375, 249990, 320500, 333320, 384600, 416650, 480750, 499980, 624975, 641000, 833300, 961500, 999960, 1041625, 1249950, 1666600, 1923000, 2083250, 2499900, 3124875, 4166500, 4999800, 6249750, 8333000, 12499500, 24999000]

約数ペア:

[(1, 24999000), (2, 12499500), (3, 8333000), (4, 6249750), (5, 4999800), (6, 4166500), (8, 3124875), (10, 2499900), (12, 2083250), (13, 1923000), (15, 1666600), (20, 1249950), (24, 1041625), (25, 999960), (26, 961500), (30, 833300), (39, 641000), (40, 624975), (50, 499980), (52, 480750), (60, 416650), (65, 384600), (75, 333320), (78, 320500), (100, 249990), (104, 240375), (120, 208325), (125, 199992), (130, 192300), (150, 166660), (156, 160250), (195, 128200), (200, 124995), (250, 99996), (260, 96150), (300, 83330), (312, 80125), (325, 76920), (375, 66664), (390, 64100), (500, 49998), (520, 48075), (600, 41665), (641, 39000), (650, 38460), (750, 33332), (780, 32050), (975, 25640), (1000, 24999), (1282, 19500), (1300, 19230), (1500, 16666), (1560, 16025), (1625, 15384), (1923, 13000), (1950, 12820), (2564, 9750), (2600, 9615), (3000, 8333), (3205, 7800), (3250, 7692), (3846, 6500), (3900, 6410), (4875, 5128)]