77864540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{299479}}^1$

素因数の和:299501

約数の個数: 24

約数和(自身を含む): 176094240

約数和(自身を除く): 98229700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 299479, 598958, 1197916, 1497395, 2994790, 3893227, 5989580, 7786454, 15572908, 19466135, 38932270, 77864540]

約数ペア:

[(1, 77864540), (2, 38932270), (4, 19466135), (5, 15572908), (10, 7786454), (13, 5989580), (20, 3893227), (26, 2994790), (52, 1497395), (65, 1197916), (130, 598958), (260, 299479)]