124465280

素因数分解:

$2^7\times 5^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:901

約数の個数: 64

約数和(自身を含む): 298900800

約数和(自身を除く): 174435520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 439, 443, 640, 878, 886, 1756, 1772, 2195, 2215, 3512, 3544, 4390, 4430, 7024, 7088, 8780, 8860, 14048, 14176, 17560, 17720, 28096, 28352, 35120, 35440, 56192, 56704, 70240, 70880, 140480, 141760, 194477, 280960, 283520, 388954, 777908, 972385, 1555816, 1944770, 3111632, 3889540, 6223264, 7779080, 12446528, 15558160, 24893056, 31116320, 62232640, 124465280]

約数ペア:

[(1, 124465280), (2, 62232640), (4, 31116320), (5, 24893056), (8, 15558160), (10, 12446528), (16, 7779080), (20, 6223264), (32, 3889540), (40, 3111632), (64, 1944770), (80, 1555816), (128, 972385), (160, 777908), (320, 388954), (439, 283520), (443, 280960), (640, 194477), (878, 141760), (886, 140480), (1756, 70880), (1772, 70240), (2195, 56704), (2215, 56192), (3512, 35440), (3544, 35120), (4390, 28352), (4430, 28096), (7024, 17720), (7088, 17560), (8780, 14176), (8860, 14048)]