71286940

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{3191}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 149883552

約数和(自身を除く): 78596612

約数列:

[1, 2, 4, 5, 10, 20, 1117, 2234, 3191, 4468, 5585, 6382, 11170, 12764, 15955, 22340, 31910, 63820, 3564347, 7128694, 14257388, 17821735, 35643470, 71286940]

約数ペア:

[(1, 71286940), (2, 35643470), (4, 17821735), (5, 14257388), (10, 7128694), (20, 3564347), (1117, 63820), (2234, 31910), (3191, 22340), (4468, 15955), (5585, 12764), (6382, 11170)]