85457140

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{15767}}^1$

素因数の和:16047

約数の個数: 24

約数和(自身を含む): 180133632

約数和(自身を除く): 94676492

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 15767, 31534, 63068, 78835, 157670, 315340, 4272857, 8545714, 17091428, 21364285, 42728570, 85457140]

約数ペア:

[(1, 85457140), (2, 42728570), (4, 21364285), (5, 17091428), (10, 8545714), (20, 4272857), (271, 315340), (542, 157670), (1084, 78835), (1355, 63068), (2710, 31534), (5420, 15767)]