12502720

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:545

約数の個数: 56

約数和(自身を含む): 30175200

約数和(自身を除く): 17672480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 439, 445, 712, 878, 890, 1424, 1756, 1780, 2195, 2848, 3512, 3560, 4390, 5696, 7024, 7120, 8780, 14048, 14240, 17560, 28096, 28480, 35120, 39071, 70240, 78142, 140480, 156284, 195355, 312568, 390710, 625136, 781420, 1250272, 1562840, 2500544, 3125680, 6251360, 12502720]

約数ペア:

[(1, 12502720), (2, 6251360), (4, 3125680), (5, 2500544), (8, 1562840), (10, 1250272), (16, 781420), (20, 625136), (32, 390710), (40, 312568), (64, 195355), (80, 156284), (89, 140480), (160, 78142), (178, 70240), (320, 39071), (356, 35120), (439, 28480), (445, 28096), (712, 17560), (878, 14240), (890, 14048), (1424, 8780), (1756, 7120), (1780, 7024), (2195, 5696), (2848, 4390), (3512, 3560)]