56866940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218719}}^1$

素因数の和:218741

約数の個数: 24

約数和(自身を含む): 128607360

約数和(自身を除く): 71740420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218719, 437438, 874876, 1093595, 2187190, 2843347, 4374380, 5686694, 11373388, 14216735, 28433470, 56866940]

約数ペア:

[(1, 56866940), (2, 28433470), (4, 14216735), (5, 11373388), (10, 5686694), (13, 4374380), (20, 2843347), (26, 2187190), (52, 1093595), (65, 874876), (130, 437438), (260, 218719)]