208030940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{800119}}^1$

素因数の和:800141

約数の個数: 24

約数和(自身を含む): 470470560

約数和(自身を除く): 262439620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 800119, 1600238, 3200476, 4000595, 8001190, 10401547, 16002380, 20803094, 41606188, 52007735, 104015470, 208030940]

約数ペア:

[(1, 208030940), (2, 104015470), (4, 52007735), (5, 41606188), (10, 20803094), (13, 16002380), (20, 10401547), (26, 8001190), (52, 4000595), (65, 3200476), (130, 1600238), (260, 800119)]