11127940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7043}}^1$

素因数の和:7131

約数の個数: 24

約数和(自身を含む): 23667840

約数和(自身を除く): 12539900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 7043, 14086, 28172, 35215, 70430, 140860, 556397, 1112794, 2225588, 2781985, 5563970, 11127940]

約数ペア:

[(1, 11127940), (2, 5563970), (4, 2781985), (5, 2225588), (10, 1112794), (20, 556397), (79, 140860), (158, 70430), (316, 35215), (395, 28172), (790, 14086), (1580, 7043)]