7991680

素因数分解:

$2^7\times 5^1\times {\mathrm{12487}}^1$

素因数の和:12506

約数の個数: 32

約数和(自身を含む): 19106640

約数和(自身を除く): 11114960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12487, 24974, 49948, 62435, 99896, 124870, 199792, 249740, 399584, 499480, 799168, 998960, 1598336, 1997920, 3995840, 7991680]

約数ペア:

[(1, 7991680), (2, 3995840), (4, 1997920), (5, 1598336), (8, 998960), (10, 799168), (16, 499480), (20, 399584), (32, 249740), (40, 199792), (64, 124870), (80, 99896), (128, 62435), (160, 49948), (320, 24974), (640, 12487)]