91859720

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{4391}}^1$

素因数の和:4925

約数の個数: 32

約数和(自身を含む): 207126720

約数和(自身を除く): 115267000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 4391, 5230, 8782, 10460, 17564, 20920, 21955, 35128, 43910, 87820, 175640, 2296493, 4592986, 9185972, 11482465, 18371944, 22964930, 45929860, 91859720]

約数ペア:

[(1, 91859720), (2, 45929860), (4, 22964930), (5, 18371944), (8, 11482465), (10, 9185972), (20, 4592986), (40, 2296493), (523, 175640), (1046, 87820), (2092, 43910), (2615, 35128), (4184, 21955), (4391, 20920), (5230, 17564), (8782, 10460)]