266718140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1025839}}^1$

素因数の和:1025861

約数の個数: 24

約数和(自身を含む): 603193920

約数和(自身を除く): 336475780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1025839, 2051678, 4103356, 5129195, 10258390, 13335907, 20516780, 26671814, 53343628, 66679535, 133359070, 266718140]

約数ペア:

[(1, 266718140), (2, 133359070), (4, 66679535), (5, 53343628), (10, 26671814), (13, 20516780), (20, 13335907), (26, 10258390), (52, 5129195), (65, 4103356), (130, 2051678), (260, 1025839)]