123467840

素因数分解:

$2^6\times 5^1\times {\mathrm{385837}}^1$

素因数の和:385854

約数の個数: 28

約数和(自身を含む): 294008556

約数和(自身を除く): 170540716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 385837, 771674, 1543348, 1929185, 3086696, 3858370, 6173392, 7716740, 12346784, 15433480, 24693568, 30866960, 61733920, 123467840]

約数ペア:

[(1, 123467840), (2, 61733920), (4, 30866960), (5, 24693568), (8, 15433480), (10, 12346784), (16, 7716740), (20, 6173392), (32, 3858370), (40, 3086696), (64, 1929185), (80, 1543348), (160, 771674), (320, 385837)]