8789560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16903}}^1$

素因数の和:16927

約数の個数: 32

約数和(自身を含む): 21299040

約数和(自身を除く): 12509480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16903, 33806, 67612, 84515, 135224, 169030, 219739, 338060, 439478, 676120, 878956, 1098695, 1757912, 2197390, 4394780, 8789560]

約数ペア:

[(1, 8789560), (2, 4394780), (4, 2197390), (5, 1757912), (8, 1098695), (10, 878956), (13, 676120), (20, 439478), (26, 338060), (40, 219739), (52, 169030), (65, 135224), (104, 84515), (130, 67612), (260, 33806), (520, 16903)]