71787560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138053}}^1$

素因数の和:138077

約数の個数: 32

約数和(自身を含む): 173948040

約数和(自身を除く): 102160480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138053, 276106, 552212, 690265, 1104424, 1380530, 1794689, 2761060, 3589378, 5522120, 7178756, 8973445, 14357512, 17946890, 35893780, 71787560]

約数ペア:

[(1, 71787560), (2, 35893780), (4, 17946890), (5, 14357512), (8, 8973445), (10, 7178756), (13, 5522120), (20, 3589378), (26, 2761060), (40, 1794689), (52, 1380530), (65, 1104424), (104, 690265), (130, 552212), (260, 276106), (520, 138053)]