65213480

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6199}}^1$

素因数の和:6473

約数の個数: 32

約数和(自身を含む): 147312000

約数和(自身を除く): 82098520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 6199, 10520, 12398, 24796, 30995, 49592, 61990, 123980, 247960, 1630337, 3260674, 6521348, 8151685, 13042696, 16303370, 32606740, 65213480]

約数ペア:

[(1, 65213480), (2, 32606740), (4, 16303370), (5, 13042696), (8, 8151685), (10, 6521348), (20, 3260674), (40, 1630337), (263, 247960), (526, 123980), (1052, 61990), (1315, 49592), (2104, 30995), (2630, 24796), (5260, 12398), (6199, 10520)]