79988800

素因数分解:

$2^6\times 5^2\times {\mathrm{49993}}^1$

素因数の和:50015

約数の個数: 42

約数和(自身を含む): 196826378

約数和(自身を除く): 116837578

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 49993, 99986, 199972, 249965, 399944, 499930, 799888, 999860, 1249825, 1599776, 1999720, 2499650, 3199552, 3999440, 4999300, 7998880, 9998600, 15997760, 19997200, 39994400, 79988800]

約数ペア:

[(1, 79988800), (2, 39994400), (4, 19997200), (5, 15997760), (8, 9998600), (10, 7998880), (16, 4999300), (20, 3999440), (25, 3199552), (32, 2499650), (40, 1999720), (50, 1599776), (64, 1249825), (80, 999860), (100, 799888), (160, 499930), (200, 399944), (320, 249965), (400, 199972), (800, 99986), (1600, 49993)]