12278800

素因数分解:

$2^4\times 5^2\times {\mathrm{30697}}^1$

素因数の和:30715

約数の個数: 30

約数和(自身を含む): 29500778

約数和(自身を除く): 17221978

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 30697, 61394, 122788, 153485, 245576, 306970, 491152, 613940, 767425, 1227880, 1534850, 2455760, 3069700, 6139400, 12278800]

約数ペア:

[(1, 12278800), (2, 6139400), (4, 3069700), (5, 2455760), (8, 1534850), (10, 1227880), (16, 767425), (20, 613940), (25, 491152), (40, 306970), (50, 245576), (80, 153485), (100, 122788), (200, 61394), (400, 30697)]