40285618

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{977}}^1$

素因数の和:1421

約数の個数: 16

約数和(自身を含む): 61790040

約数和(自身を除く): 21504422

約数列:

[1, 2, 53, 106, 389, 778, 977, 1954, 20617, 41234, 51781, 103562, 380053, 760106, 20142809, 40285618]

約数ペア:

[(1, 40285618), (2, 20142809), (53, 760106), (106, 380053), (389, 103562), (778, 51781), (977, 41234), (1954, 20617)]