56601220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217697}}^1$

素因数の和:217719

約数の個数: 24

約数和(自身を含む): 128006424

約数和(自身を除く): 71405204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217697, 435394, 870788, 1088485, 2176970, 2830061, 4353940, 5660122, 11320244, 14150305, 28300610, 56601220]

約数ペア:

[(1, 56601220), (2, 28300610), (4, 14150305), (5, 11320244), (10, 5660122), (13, 4353940), (20, 2830061), (26, 2176970), (52, 1088485), (65, 870788), (130, 435394), (260, 217697)]