19702600

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 49104000

約数和(自身を除く): 29401400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 43, 50, 58, 79, 86, 100, 116, 145, 158, 172, 200, 215, 232, 290, 316, 344, 395, 430, 580, 632, 725, 790, 860, 1075, 1160, 1247, 1450, 1580, 1720, 1975, 2150, 2291, 2494, 2900, 3160, 3397, 3950, 4300, 4582, 4988, 5800, 6235, 6794, 7900, 8600, 9164, 9976, 11455, 12470, 13588, 15800, 16985, 18328, 22910, 24940, 27176, 31175, 33970, 45820, 49880, 57275, 62350, 67940, 84925, 91640, 98513, 114550, 124700, 135880, 169850, 197026, 229100, 249400, 339700, 394052, 458200, 492565, 679400, 788104, 985130, 1970260, 2462825, 3940520, 4925650, 9851300, 19702600]

約数ペア:

[(1, 19702600), (2, 9851300), (4, 4925650), (5, 3940520), (8, 2462825), (10, 1970260), (20, 985130), (25, 788104), (29, 679400), (40, 492565), (43, 458200), (50, 394052), (58, 339700), (79, 249400), (86, 229100), (100, 197026), (116, 169850), (145, 135880), (158, 124700), (172, 114550), (200, 98513), (215, 91640), (232, 84925), (290, 67940), (316, 62350), (344, 57275), (395, 49880), (430, 45820), (580, 33970), (632, 31175), (725, 27176), (790, 24940), (860, 22910), (1075, 18328), (1160, 16985), (1247, 15800), (1450, 13588), (1580, 12470), (1720, 11455), (1975, 9976), (2150, 9164), (2291, 8600), (2494, 7900), (2900, 6794), (3160, 6235), (3397, 5800), (3950, 4988), (4300, 4582)]