82156940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 178827264

約数和(自身を除く): 96670324

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 284, 355, 470, 710, 940, 1231, 1420, 2462, 3337, 4924, 6155, 6674, 12310, 13348, 16685, 24620, 33370, 57857, 66740, 87401, 115714, 174802, 231428, 289285, 349604, 437005, 578570, 874010, 1157140, 1748020, 4107847, 8215694, 16431388, 20539235, 41078470, 82156940]

約数ペア:

[(1, 82156940), (2, 41078470), (4, 20539235), (5, 16431388), (10, 8215694), (20, 4107847), (47, 1748020), (71, 1157140), (94, 874010), (142, 578570), (188, 437005), (235, 349604), (284, 289285), (355, 231428), (470, 174802), (710, 115714), (940, 87401), (1231, 66740), (1420, 57857), (2462, 33370), (3337, 24620), (4924, 16685), (6155, 13348), (6674, 12310)]