2015650090

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{648119}}^1$

素因数の和:648437

約数の個数: 16

約数和(自身を含む): 3639841920

約数和(自身を除く): 1624191830

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 648119, 1296238, 3240595, 6481190, 201565009, 403130018, 1007825045, 2015650090]

約数ペア:

[(1, 2015650090), (2, 1007825045), (5, 403130018), (10, 201565009), (311, 6481190), (622, 3240595), (1555, 1296238), (3110, 648119)]