720551390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5542703}}^1$

素因数の和:5542723

約数の個数: 16

約数和(自身を含む): 1396761408

約数和(自身を除く): 676210018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5542703, 11085406, 27713515, 55427030, 72055139, 144110278, 360275695, 720551390]

約数ペア:

[(1, 720551390), (2, 360275695), (5, 144110278), (10, 72055139), (13, 55427030), (26, 27713515), (65, 11085406), (130, 5542703)]