100809080

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{5689}}^1$

素因数の和:6143

約数の個数: 32

約数和(自身を含む): 227372400

約数和(自身を除く): 126563320

約数列:

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

約数ペア:

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