19929200

素因数分解:

$2^4\times 5^2\times {\mathrm{49823}}^1$

素因数の和:49841

約数の個数: 30

約数和(自身を含む): 47880864

約数和(自身を除く): 27951664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49823, 99646, 199292, 249115, 398584, 498230, 797168, 996460, 1245575, 1992920, 2491150, 3985840, 4982300, 9964600, 19929200]

約数ペア:

[(1, 19929200), (2, 9964600), (4, 4982300), (5, 3985840), (8, 2491150), (10, 1992920), (16, 1245575), (20, 996460), (25, 797168), (40, 498230), (50, 398584), (80, 249115), (100, 199292), (200, 99646), (400, 49823)]