2100068720

素因数分解:

$2^4\times 5^1\times {\mathrm{26250859}}^1$

素因数の和:26250872

約数の個数: 20

約数和(自身を含む): 4882659960

約数和(自身を除く): 2782591240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26250859, 52501718, 105003436, 131254295, 210006872, 262508590, 420013744, 525017180, 1050034360, 2100068720]

約数ペア:

[(1, 2100068720), (2, 1050034360), (4, 525017180), (5, 420013744), (8, 262508590), (10, 210006872), (16, 131254295), (20, 105003436), (40, 52501718), (80, 26250859)]