8461180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4649}}^1$

素因数の和:4678

約数の個数: 48

約数和(自身を含む): 21873600

約数和(自身を除く): 13412420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4649, 9298, 18596, 23245, 32543, 46490, 60437, 65086, 92980, 120874, 130172, 162715, 241748, 302185, 325430, 423059, 604370, 650860, 846118, 1208740, 1692236, 2115295, 4230590, 8461180]

約数ペア:

[(1, 8461180), (2, 4230590), (4, 2115295), (5, 1692236), (7, 1208740), (10, 846118), (13, 650860), (14, 604370), (20, 423059), (26, 325430), (28, 302185), (35, 241748), (52, 162715), (65, 130172), (70, 120874), (91, 92980), (130, 65086), (140, 60437), (182, 46490), (260, 32543), (364, 23245), (455, 18596), (910, 9298), (1820, 4649)]