2019182080

素因数分解:

$2^9\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1097}}^1$

素因数の和:1839

約数の個数: 80

約数和(自身を含む): 4852457280

約数和(自身を除く): 2833275200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 719, 1097, 1280, 1438, 2194, 2560, 2876, 3595, 4388, 5485, 5752, 7190, 8776, 10970, 11504, 14380, 17552, 21940, 23008, 28760, 35104, 43880, 46016, 57520, 70208, 87760, 92032, 115040, 140416, 175520, 184064, 230080, 280832, 351040, 368128, 460160, 561664, 702080, 788743, 920320, 1404160, 1577486, 1840640, 2808320, 3154972, 3943715, 6309944, 7887430, 12619888, 15774860, 25239776, 31549720, 50479552, 63099440, 100959104, 126198880, 201918208, 252397760, 403836416, 504795520, 1009591040, 2019182080]

約数ペア:

[(1, 2019182080), (2, 1009591040), (4, 504795520), (5, 403836416), (8, 252397760), (10, 201918208), (16, 126198880), (20, 100959104), (32, 63099440), (40, 50479552), (64, 31549720), (80, 25239776), (128, 15774860), (160, 12619888), (256, 7887430), (320, 6309944), (512, 3943715), (640, 3154972), (719, 2808320), (1097, 1840640), (1280, 1577486), (1438, 1404160), (2194, 920320), (2560, 788743), (2876, 702080), (3595, 561664), (4388, 460160), (5485, 368128), (5752, 351040), (7190, 280832), (8776, 230080), (10970, 184064), (11504, 175520), (14380, 140416), (17552, 115040), (21940, 92032), (23008, 87760), (28760, 70208), (35104, 57520), (43880, 46016)]