28799800

素因数分解:

$2^3\times 5^2\times {\mathrm{143999}}^1$

素因数の和:144015

約数の個数: 24

約数和(自身を含む): 66960000

約数和(自身を除く): 38160200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 143999, 287998, 575996, 719995, 1151992, 1439990, 2879980, 3599975, 5759960, 7199950, 14399900, 28799800]

約数ペア:

[(1, 28799800), (2, 14399900), (4, 7199950), (5, 5759960), (8, 3599975), (10, 2879980), (20, 1439990), (25, 1151992), (40, 719995), (50, 575996), (100, 287998), (200, 143999)]