80222870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 179020800

約数和(自身を除く): 98797930

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 199, 398, 443, 455, 886, 910, 995, 1393, 1990, 2215, 2587, 2786, 3101, 4430, 5174, 5759, 6202, 6965, 11518, 12935, 13930, 15505, 18109, 25870, 28795, 31010, 36218, 40313, 57590, 80626, 88157, 90545, 176314, 181090, 201565, 403130, 440785, 617099, 881570, 1146041, 1234198, 2292082, 3085495, 5730205, 6170990, 8022287, 11460410, 16044574, 40111435, 80222870]

約数ペア:

[(1, 80222870), (2, 40111435), (5, 16044574), (7, 11460410), (10, 8022287), (13, 6170990), (14, 5730205), (26, 3085495), (35, 2292082), (65, 1234198), (70, 1146041), (91, 881570), (130, 617099), (182, 440785), (199, 403130), (398, 201565), (443, 181090), (455, 176314), (886, 90545), (910, 88157), (995, 80626), (1393, 57590), (1990, 40313), (2215, 36218), (2587, 31010), (2786, 28795), (3101, 25870), (4430, 18109), (5174, 15505), (5759, 13930), (6202, 12935), (6965, 11518)]