64403560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123853}}^1$

素因数の和:123877

約数の個数: 32

約数和(自身を含む): 156056040

約数和(自身を除く): 91652480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 123853, 247706, 495412, 619265, 990824, 1238530, 1610089, 2477060, 3220178, 4954120, 6440356, 8050445, 12880712, 16100890, 32201780, 64403560]

約数ペア:

[(1, 64403560), (2, 32201780), (4, 16100890), (5, 12880712), (8, 8050445), (10, 6440356), (13, 4954120), (20, 3220178), (26, 2477060), (40, 1610089), (52, 1238530), (65, 990824), (104, 619265), (130, 495412), (260, 247706), (520, 123853)]