28799600

素因数分解:

$2^4\times 5^2\times {\mathrm{71999}}^1$

素因数の和:72017

約数の個数: 30

約数和(自身を含む): 69192000

約数和(自身を除く): 40392400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71999, 143998, 287996, 359995, 575992, 719990, 1151984, 1439980, 1799975, 2879960, 3599950, 5759920, 7199900, 14399800, 28799600]

約数ペア:

[(1, 28799600), (2, 14399800), (4, 7199900), (5, 5759920), (8, 3599950), (10, 2879960), (16, 1799975), (20, 1439980), (25, 1151984), (40, 719990), (50, 575992), (80, 359995), (100, 287996), (200, 143998), (400, 71999)]