4080454090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{15889}}^1$

素因数の和:16378

約数の個数: 32

約数和(自身を含む): 7483427280

約数和(自身を除く): 3402973190

約数列:

[1, 2, 5, 10, 61, 122, 305, 421, 610, 842, 2105, 4210, 15889, 25681, 31778, 51362, 79445, 128405, 158890, 256810, 969229, 1938458, 4846145, 6689269, 9692290, 13378538, 33446345, 66892690, 408045409, 816090818, 2040227045, 4080454090]

約数ペア:

[(1, 4080454090), (2, 2040227045), (5, 816090818), (10, 408045409), (61, 66892690), (122, 33446345), (305, 13378538), (421, 9692290), (610, 6689269), (842, 4846145), (2105, 1938458), (4210, 969229), (15889, 256810), (25681, 158890), (31778, 128405), (51362, 79445)]