27560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:77

約数の個数: 32

約数和(自身を含む): 68040

約数和(自身を除く): 40480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 13780, 27560]

約数ペア:

[(1, 27560), (2, 13780), (4, 6890), (5, 5512), (8, 3445), (10, 2756), (13, 2120), (20, 1378), (26, 1060), (40, 689), (52, 530), (53, 520), (65, 424), (104, 265), (106, 260), (130, 212)]