6988540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26879}}^1$

素因数の和:26901

約数の個数: 24

約数和(自身を含む): 15805440

約数和(自身を除く): 8816900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 26879, 53758, 107516, 134395, 268790, 349427, 537580, 698854, 1397708, 1747135, 3494270, 6988540]

約数ペア:

[(1, 6988540), (2, 3494270), (4, 1747135), (5, 1397708), (10, 698854), (13, 537580), (20, 349427), (26, 268790), (52, 134395), (65, 107516), (130, 53758), (260, 26879)]