78842140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1153}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 179137728

約数和(自身を除く): 100295588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 1052, 1153, 1315, 2306, 2630, 3419, 4612, 5260, 5765, 6838, 11530, 13676, 14989, 17095, 23060, 29978, 34190, 59956, 68380, 74945, 149890, 299780, 303239, 606478, 1212956, 1516195, 3032390, 3942107, 6064780, 7884214, 15768428, 19710535, 39421070, 78842140]

約数ペア:

[(1, 78842140), (2, 39421070), (4, 19710535), (5, 15768428), (10, 7884214), (13, 6064780), (20, 3942107), (26, 3032390), (52, 1516195), (65, 1212956), (130, 606478), (260, 303239), (263, 299780), (526, 149890), (1052, 74945), (1153, 68380), (1315, 59956), (2306, 34190), (2630, 29978), (3419, 23060), (4612, 17095), (5260, 14989), (5765, 13676), (6838, 11530)]