19680800

素因数分解:

$2^5\times 5^2\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:430

約数の個数: 72

約数和(自身を含む): 48848436

約数和(自身を除く): 29167636

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 73, 80, 100, 146, 160, 200, 292, 337, 365, 400, 584, 674, 730, 800, 1168, 1348, 1460, 1685, 1825, 2336, 2696, 2920, 3370, 3650, 5392, 5840, 6740, 7300, 8425, 10784, 11680, 13480, 14600, 16850, 24601, 26960, 29200, 33700, 49202, 53920, 58400, 67400, 98404, 123005, 134800, 196808, 246010, 269600, 393616, 492020, 615025, 787232, 984040, 1230050, 1968080, 2460100, 3936160, 4920200, 9840400, 19680800]

約数ペア:

[(1, 19680800), (2, 9840400), (4, 4920200), (5, 3936160), (8, 2460100), (10, 1968080), (16, 1230050), (20, 984040), (25, 787232), (32, 615025), (40, 492020), (50, 393616), (73, 269600), (80, 246010), (100, 196808), (146, 134800), (160, 123005), (200, 98404), (292, 67400), (337, 58400), (365, 53920), (400, 49202), (584, 33700), (674, 29200), (730, 26960), (800, 24601), (1168, 16850), (1348, 14600), (1460, 13480), (1685, 11680), (1825, 10784), (2336, 8425), (2696, 7300), (2920, 6740), (3370, 5840), (3650, 5392)]