125888540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{64891}}^1$

素因数の和:64997

約数の個数: 24

約数和(自身を含む): 267095472

約数和(自身を除く): 141206932

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 64891, 129782, 259564, 324455, 648910, 1297820, 6294427, 12588854, 25177708, 31472135, 62944270, 125888540]

約数ペア:

[(1, 125888540), (2, 62944270), (4, 31472135), (5, 25177708), (10, 12588854), (20, 6294427), (97, 1297820), (194, 648910), (388, 324455), (485, 259564), (970, 129782), (1940, 64891)]