80216964

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71879}}^1$

素因数の和:71920

約数の個数: 36

約数和(自身を含む): 209314560

約数和(自身を除く): 129097596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 71879, 143758, 215637, 287516, 431274, 646911, 862548, 1293822, 2228249, 2587644, 4456498, 6684747, 8912996, 13369494, 20054241, 26738988, 40108482, 80216964]

約数ペア:

[(1, 80216964), (2, 40108482), (3, 26738988), (4, 20054241), (6, 13369494), (9, 8912996), (12, 6684747), (18, 4456498), (31, 2587644), (36, 2228249), (62, 1293822), (93, 862548), (124, 646911), (186, 431274), (279, 287516), (372, 215637), (558, 143758), (1116, 71879)]