496496780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1909603}}^1$

素因数の和:1909625

約数の個数: 24

約数和(自身を含む): 1122847152

約数和(自身を除く): 626350372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1909603, 3819206, 7638412, 9548015, 19096030, 24824839, 38192060, 49649678, 99299356, 124124195, 248248390, 496496780]

約数ペア:

[(1, 496496780), (2, 248248390), (4, 124124195), (5, 99299356), (10, 49649678), (13, 38192060), (20, 24824839), (26, 19096030), (52, 9548015), (65, 7638412), (130, 3819206), (260, 1909603)]