210205060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{808481}}^1$

素因数の和:808503

約数の個数: 24

約数和(自身を含む): 475387416

約数和(自身を除く): 265182356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 808481, 1616962, 3233924, 4042405, 8084810, 10510253, 16169620, 21020506, 42041012, 52551265, 105102530, 210205060]

約数ペア:

[(1, 210205060), (2, 105102530), (4, 52551265), (5, 42041012), (10, 21020506), (13, 16169620), (20, 10510253), (26, 8084810), (52, 4042405), (65, 3233924), (130, 1616962), (260, 808481)]