169996760

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{10391}}^1$

素因数の和:10811

約数の個数: 32

約数和(自身を含む): 383464800

約数和(自身を除く): 213468040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 10391, 16360, 20782, 41564, 51955, 83128, 103910, 207820, 415640, 4249919, 8499838, 16999676, 21249595, 33999352, 42499190, 84998380, 169996760]

約数ペア:

[(1, 169996760), (2, 84998380), (4, 42499190), (5, 33999352), (8, 21249595), (10, 16999676), (20, 8499838), (40, 4249919), (409, 415640), (818, 207820), (1636, 103910), (2045, 83128), (3272, 51955), (4090, 41564), (8180, 20782), (10391, 16360)]