8200790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 16027200

約数和(自身を除く): 7826410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 317, 398, 634, 995, 1585, 1990, 2587, 3170, 4121, 5174, 8242, 12935, 20605, 25870, 41210, 63083, 126166, 315415, 630830, 820079, 1640158, 4100395, 8200790]

約数ペア:

[(1, 8200790), (2, 4100395), (5, 1640158), (10, 820079), (13, 630830), (26, 315415), (65, 126166), (130, 63083), (199, 41210), (317, 25870), (398, 20605), (634, 12935), (995, 8242), (1585, 5174), (1990, 4121), (2587, 3170)]