8127160

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1021}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 18396000

約数和(自身を除く): 10268840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1021, 1592, 1990, 2042, 3980, 4084, 5105, 7960, 8168, 10210, 20420, 40840, 203179, 406358, 812716, 1015895, 1625432, 2031790, 4063580, 8127160]

約数ペア:

[(1, 8127160), (2, 4063580), (4, 2031790), (5, 1625432), (8, 1015895), (10, 812716), (20, 406358), (40, 203179), (199, 40840), (398, 20420), (796, 10210), (995, 8168), (1021, 7960), (1592, 5105), (1990, 4084), (2042, 3980)]