205018060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{788531}}^1$

素因数の和:788553

約数の個数: 24

約数和(自身を含む): 463656816

約数和(自身を除く): 258638756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 788531, 1577062, 3154124, 3942655, 7885310, 10250903, 15770620, 20501806, 41003612, 51254515, 102509030, 205018060]

約数ペア:

[(1, 205018060), (2, 102509030), (4, 51254515), (5, 41003612), (10, 20501806), (13, 15770620), (20, 10250903), (26, 7885310), (52, 3942655), (65, 3154124), (130, 1577062), (260, 788531)]