131492140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{38903}}^1$

素因数の和:38938

約数の個数: 36

約数和(自身を含む): 299016144

約数和(自身を除く): 167524004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 38903, 77806, 155612, 194515, 389030, 505739, 778060, 1011478, 2022956, 2528695, 5057390, 6574607, 10114780, 13149214, 26298428, 32873035, 65746070, 131492140]

約数ペア:

[(1, 131492140), (2, 65746070), (4, 32873035), (5, 26298428), (10, 13149214), (13, 10114780), (20, 6574607), (26, 5057390), (52, 2528695), (65, 2022956), (130, 1011478), (169, 778060), (260, 505739), (338, 389030), (676, 194515), (845, 155612), (1690, 77806), (3380, 38903)]