8961560

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 20306160

約数和(自身を除く): 11344600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1427, 1570, 2854, 3140, 5708, 6280, 7135, 11416, 14270, 28540, 57080, 224039, 448078, 896156, 1120195, 1792312, 2240390, 4480780, 8961560]

約数ペア:

[(1, 8961560), (2, 4480780), (4, 2240390), (5, 1792312), (8, 1120195), (10, 896156), (20, 448078), (40, 224039), (157, 57080), (314, 28540), (628, 14270), (785, 11416), (1256, 7135), (1427, 6280), (1570, 5708), (2854, 3140)]