28539800

素因数分解:

$2^3\times 5^2\times {\mathrm{142699}}^1$

素因数の和:142715

約数の個数: 24

約数和(自身を含む): 66355500

約数和(自身を除く): 37815700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 142699, 285398, 570796, 713495, 1141592, 1426990, 2853980, 3567475, 5707960, 7134950, 14269900, 28539800]

約数ペア:

[(1, 28539800), (2, 14269900), (4, 7134950), (5, 5707960), (8, 3567475), (10, 2853980), (20, 1426990), (25, 1141592), (40, 713495), (50, 570796), (100, 285398), (200, 142699)]