3125680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 7365600

約数和(自身を除く): 4239920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 439, 445, 712, 878, 890, 1424, 1756, 1780, 2195, 3512, 3560, 4390, 7024, 7120, 8780, 17560, 35120, 39071, 78142, 156284, 195355, 312568, 390710, 625136, 781420, 1562840, 3125680]

約数ペア:

[(1, 3125680), (2, 1562840), (4, 781420), (5, 625136), (8, 390710), (10, 312568), (16, 195355), (20, 156284), (40, 78142), (80, 39071), (89, 35120), (178, 17560), (356, 8780), (439, 7120), (445, 7024), (712, 4390), (878, 3560), (890, 3512), (1424, 2195), (1756, 1780)]