19789600

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:902

約数の個数: 72

約数和(自身を含む): 50035860

約数和(自身を除く): 30246260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 145, 160, 200, 232, 290, 400, 464, 580, 725, 800, 853, 928, 1160, 1450, 1706, 2320, 2900, 3412, 4265, 4640, 5800, 6824, 8530, 11600, 13648, 17060, 21325, 23200, 24737, 27296, 34120, 42650, 49474, 68240, 85300, 98948, 123685, 136480, 170600, 197896, 247370, 341200, 395792, 494740, 618425, 682400, 791584, 989480, 1236850, 1978960, 2473700, 3957920, 4947400, 9894800, 19789600]

約数ペア:

[(1, 19789600), (2, 9894800), (4, 4947400), (5, 3957920), (8, 2473700), (10, 1978960), (16, 1236850), (20, 989480), (25, 791584), (29, 682400), (32, 618425), (40, 494740), (50, 395792), (58, 341200), (80, 247370), (100, 197896), (116, 170600), (145, 136480), (160, 123685), (200, 98948), (232, 85300), (290, 68240), (400, 49474), (464, 42650), (580, 34120), (725, 27296), (800, 24737), (853, 23200), (928, 21325), (1160, 17060), (1450, 13648), (1706, 11600), (2320, 8530), (2900, 6824), (3412, 5800), (4265, 4640)]