264940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 599760

約数和(自身を除く): 334820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1019, 2038, 4076, 5095, 10190, 13247, 20380, 26494, 52988, 66235, 132470, 264940]

約数ペア:

[(1, 264940), (2, 132470), (4, 66235), (5, 52988), (10, 26494), (13, 20380), (20, 13247), (26, 10190), (52, 5095), (65, 4076), (130, 2038), (260, 1019)]