1098455440

素因数分解:

$2^4\times 5^1\times {\mathrm{13730693}}^1$

素因数の和:13730706

約数の個数: 20

約数和(自身を含む): 2553909084

約数和(自身を除く): 1455453644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13730693, 27461386, 54922772, 68653465, 109845544, 137306930, 219691088, 274613860, 549227720, 1098455440]

約数ペア:

[(1, 1098455440), (2, 549227720), (4, 274613860), (5, 219691088), (8, 137306930), (10, 109845544), (16, 68653465), (20, 54922772), (40, 27461386), (80, 13730693)]