2454940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{937}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 5200272

約数和(自身を除く): 2745332

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 937, 1310, 1874, 2620, 3748, 4685, 9370, 18740, 122747, 245494, 490988, 613735, 1227470, 2454940]

約数ペア:

[(1, 2454940), (2, 1227470), (4, 613735), (5, 490988), (10, 245494), (20, 122747), (131, 18740), (262, 9370), (524, 4685), (655, 3748), (937, 2620), (1310, 1874)]