2481140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{947}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 5255712

約数和(自身を除く): 2774572

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 947, 1310, 1894, 2620, 3788, 4735, 9470, 18940, 124057, 248114, 496228, 620285, 1240570, 2481140]

約数ペア:

[(1, 2481140), (2, 1240570), (4, 620285), (5, 496228), (10, 248114), (20, 124057), (131, 18940), (262, 9470), (524, 4735), (655, 3788), (947, 2620), (1310, 1894)]