64011560

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2081}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 144282600

約数和(自身を除く): 80271040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 2081, 3076, 3845, 4162, 6152, 7690, 8324, 10405, 15380, 16648, 20810, 30760, 41620, 83240, 1600289, 3200578, 6401156, 8001445, 12802312, 16002890, 32005780, 64011560]

約数ペア:

[(1, 64011560), (2, 32005780), (4, 16002890), (5, 12802312), (8, 8001445), (10, 6401156), (20, 3200578), (40, 1600289), (769, 83240), (1538, 41620), (2081, 30760), (3076, 20810), (3845, 16648), (4162, 15380), (6152, 10405), (7690, 8324)]