20195792800

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{587087}}^1$

素因数の和:587150

約数の個数: 72

約数和(自身を含む): 50449646016

約数和(自身を除く): 30253853216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 860, 1075, 1376, 1720, 2150, 3440, 4300, 6880, 8600, 17200, 34400, 587087, 1174174, 2348348, 2935435, 4696696, 5870870, 9393392, 11741740, 14677175, 18786784, 23483480, 25244741, 29354350, 46966960, 50489482, 58708700, 93933920, 100978964, 117417400, 126223705, 201957928, 234834800, 252447410, 403915856, 469669600, 504894820, 631118525, 807831712, 1009789640, 1262237050, 2019579280, 2524474100, 4039158560, 5048948200, 10097896400, 20195792800]

約数ペア:

[(1, 20195792800), (2, 10097896400), (4, 5048948200), (5, 4039158560), (8, 2524474100), (10, 2019579280), (16, 1262237050), (20, 1009789640), (25, 807831712), (32, 631118525), (40, 504894820), (43, 469669600), (50, 403915856), (80, 252447410), (86, 234834800), (100, 201957928), (160, 126223705), (172, 117417400), (200, 100978964), (215, 93933920), (344, 58708700), (400, 50489482), (430, 46966960), (688, 29354350), (800, 25244741), (860, 23483480), (1075, 18786784), (1376, 14677175), (1720, 11741740), (2150, 9393392), (3440, 5870870), (4300, 4696696), (6880, 2935435), (8600, 2348348), (17200, 1174174), (34400, 587087)]