1261660

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 2671200

約数和(自身を除く): 1409540

約数列:

[1, 2, 4, 5, 10, 20, 199, 317, 398, 634, 796, 995, 1268, 1585, 1990, 3170, 3980, 6340, 63083, 126166, 252332, 315415, 630830, 1261660]

約数ペア:

[(1, 1261660), (2, 630830), (4, 315415), (5, 252332), (10, 126166), (20, 63083), (199, 6340), (317, 3980), (398, 3170), (634, 1990), (796, 1585), (995, 1268)]