81262090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12757}}^1$

素因数の和:12791

約数の個数: 48

約数和(自身を含む): 183255912

約数和(自身を除く): 101993822

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 12757, 25514, 63785, 89299, 127570, 165841, 178598, 331682, 446495, 625093, 829205, 892990, 1160887, 1250186, 1658410, 2321774, 3125465, 5804435, 6250930, 8126209, 11608870, 16252418, 40631045, 81262090]

約数ペア:

[(1, 81262090), (2, 40631045), (5, 16252418), (7, 11608870), (10, 8126209), (13, 6250930), (14, 5804435), (26, 3125465), (35, 2321774), (49, 1658410), (65, 1250186), (70, 1160887), (91, 892990), (98, 829205), (130, 625093), (182, 446495), (245, 331682), (455, 178598), (490, 165841), (637, 127570), (910, 89299), (1274, 63785), (3185, 25514), (6370, 12757)]