59980000

素因数分解:

$2^5\times 5^4\times {\mathrm{2999}}^1$

素因数の和:3029

約数の個数: 60

約数和(自身を含む): 147609000

約数和(自身を除く): 87629000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 2999, 4000, 5000, 5998, 10000, 11996, 14995, 20000, 23992, 29990, 47984, 59980, 74975, 95968, 119960, 149950, 239920, 299900, 374875, 479840, 599800, 749750, 1199600, 1499500, 1874375, 2399200, 2999000, 3748750, 5998000, 7497500, 11996000, 14995000, 29990000, 59980000]

約数ペア:

[(1, 59980000), (2, 29990000), (4, 14995000), (5, 11996000), (8, 7497500), (10, 5998000), (16, 3748750), (20, 2999000), (25, 2399200), (32, 1874375), (40, 1499500), (50, 1199600), (80, 749750), (100, 599800), (125, 479840), (160, 374875), (200, 299900), (250, 239920), (400, 149950), (500, 119960), (625, 95968), (800, 74975), (1000, 59980), (1250, 47984), (2000, 29990), (2500, 23992), (2999, 20000), (4000, 14995), (5000, 11996), (5998, 10000)]