165009080

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{10391}}^1$

素因数の和:10799

約数の個数: 32

約数和(自身を含む): 372241440

約数和(自身を除く): 207232360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 10391, 15880, 20782, 41564, 51955, 83128, 103910, 207820, 415640, 4125227, 8250454, 16500908, 20626135, 33001816, 41252270, 82504540, 165009080]

約数ペア:

[(1, 165009080), (2, 82504540), (4, 41252270), (5, 33001816), (8, 20626135), (10, 16500908), (20, 8250454), (40, 4125227), (397, 415640), (794, 207820), (1588, 103910), (1985, 83128), (3176, 51955), (3970, 41564), (7940, 20782), (10391, 15880)]