508711580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1956583}}^1$

素因数の和:1956605

約数の個数: 24

約数和(自身を含む): 1150471392

約数和(自身を除く): 641759812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1956583, 3913166, 7826332, 9782915, 19565830, 25435579, 39131660, 50871158, 101742316, 127177895, 254355790, 508711580]

約数ペア:

[(1, 508711580), (2, 254355790), (4, 127177895), (5, 101742316), (10, 50871158), (13, 39131660), (20, 25435579), (26, 19565830), (52, 9782915), (65, 7826332), (130, 3913166), (260, 1956583)]