67576420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{16979}}^1$

素因数の和:17187

約数の個数: 24

約数和(自身を含む): 142632000

約数和(自身を除く): 75055580

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 16979, 33958, 67916, 84895, 169790, 339580, 3378821, 6757642, 13515284, 16894105, 33788210, 67576420]

約数ペア:

[(1, 67576420), (2, 33788210), (4, 16894105), (5, 13515284), (10, 6757642), (20, 3378821), (199, 339580), (398, 169790), (796, 84895), (995, 67916), (1990, 33958), (3980, 16979)]