90339980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{46567}}^1$

素因数の和:46673

約数の個数: 24

約数和(自身を含む): 191673888

約数和(自身を除く): 101333908

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 46567, 93134, 186268, 232835, 465670, 931340, 4516999, 9033998, 18067996, 22584995, 45169990, 90339980]

約数ペア:

[(1, 90339980), (2, 45169990), (4, 22584995), (5, 18067996), (10, 9033998), (20, 4516999), (97, 931340), (194, 465670), (388, 232835), (485, 186268), (970, 93134), (1940, 46567)]