1881620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7237}}^1$

素因数の和:7259

約数の個数: 24

約数和(自身を含む): 4255944

約数和(自身を除く): 2374324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7237, 14474, 28948, 36185, 72370, 94081, 144740, 188162, 376324, 470405, 940810, 1881620]

約数ペア:

[(1, 1881620), (2, 940810), (4, 470405), (5, 376324), (10, 188162), (13, 144740), (20, 94081), (26, 72370), (52, 36185), (65, 28948), (130, 14474), (260, 7237)]