39992000

素因数分解:

$2^6\times 5^3\times {\mathrm{4999}}^1$

素因数の和:5026

約数の個数: 56

約数和(自身を含む): 99060000

約数和(自身を除く): 59068000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 4999, 8000, 9998, 19996, 24995, 39992, 49990, 79984, 99980, 124975, 159968, 199960, 249950, 319936, 399920, 499900, 624875, 799840, 999800, 1249750, 1599680, 1999600, 2499500, 3999200, 4999000, 7998400, 9998000, 19996000, 39992000]

約数ペア:

[(1, 39992000), (2, 19996000), (4, 9998000), (5, 7998400), (8, 4999000), (10, 3999200), (16, 2499500), (20, 1999600), (25, 1599680), (32, 1249750), (40, 999800), (50, 799840), (64, 624875), (80, 499900), (100, 399920), (125, 319936), (160, 249950), (200, 199960), (250, 159968), (320, 124975), (400, 99980), (500, 79984), (800, 49990), (1000, 39992), (1600, 24995), (2000, 19996), (4000, 9998), (4999, 8000)]