267788560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257489}}^1$

素因数の和:257515

約数の個数: 40

約数和(自身を含む): 670503960

約数和(自身を除く): 402715400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 257489, 514978, 1029956, 1287445, 2059912, 2574890, 3347357, 4119824, 5149780, 6694714, 10299560, 13389428, 16736785, 20599120, 26778856, 33473570, 53557712, 66947140, 133894280, 267788560]

約数ペア:

[(1, 267788560), (2, 133894280), (4, 66947140), (5, 53557712), (8, 33473570), (10, 26778856), (13, 20599120), (16, 16736785), (20, 13389428), (26, 10299560), (40, 6694714), (52, 5149780), (65, 4119824), (80, 3347357), (104, 2574890), (130, 2059912), (208, 1287445), (260, 1029956), (520, 514978), (1040, 257489)]