1296705020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4987327}}^1$

素因数の和:4987349

約数の個数: 24

約数和(自身を含む): 2932548864

約数和(自身を除く): 1635843844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4987327, 9974654, 19949308, 24936635, 49873270, 64835251, 99746540, 129670502, 259341004, 324176255, 648352510, 1296705020]

約数ペア:

[(1, 1296705020), (2, 648352510), (4, 324176255), (5, 259341004), (10, 129670502), (13, 99746540), (20, 64835251), (26, 49873270), (52, 24936635), (65, 19949308), (130, 9974654), (260, 4987327)]