121387660

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{19391}}^1$

素因数の和:19713

約数の個数: 24

約数和(自身を含む): 255741696

約数和(自身を除く): 134354036

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 19391, 38782, 77564, 96955, 193910, 387820, 6069383, 12138766, 24277532, 30346915, 60693830, 121387660]

約数ペア:

[(1, 121387660), (2, 60693830), (4, 30346915), (5, 24277532), (10, 12138766), (20, 6069383), (313, 387820), (626, 193910), (1252, 96955), (1565, 77564), (3130, 38782), (6260, 19391)]