201618160

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{5689}}^1$

素因数の和:6145

約数の個数: 40

約数和(自身を含む): 469902960

約数和(自身を除く): 268284800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 3544, 4430, 5689, 7088, 8860, 11378, 17720, 22756, 28445, 35440, 45512, 56890, 91024, 113780, 227560, 455120, 2520227, 5040454, 10080908, 12601135, 20161816, 25202270, 40323632, 50404540, 100809080, 201618160]

約数ペア:

[(1, 201618160), (2, 100809080), (4, 50404540), (5, 40323632), (8, 25202270), (10, 20161816), (16, 12601135), (20, 10080908), (40, 5040454), (80, 2520227), (443, 455120), (886, 227560), (1772, 113780), (2215, 91024), (3544, 56890), (4430, 45512), (5689, 35440), (7088, 28445), (8860, 22756), (11378, 17720)]