80887430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1237}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 157235904

約数和(自身を除く): 76348474

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 503, 1006, 1237, 2474, 2515, 5030, 6185, 6539, 12370, 13078, 16081, 32162, 32695, 65390, 80405, 160810, 622211, 1244422, 3111055, 6222110, 8088743, 16177486, 40443715, 80887430]

約数ペア:

[(1, 80887430), (2, 40443715), (5, 16177486), (10, 8088743), (13, 6222110), (26, 3111055), (65, 1244422), (130, 622211), (503, 160810), (1006, 80405), (1237, 65390), (2474, 32695), (2515, 32162), (5030, 16081), (6185, 13078), (6539, 12370)]