54654220

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6491}}^1$

素因数の和:6921

約数の個数: 24

約数和(自身を含む): 115064208

約数和(自身を除く): 60409988

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 6491, 8420, 12982, 25964, 32455, 64910, 129820, 2732711, 5465422, 10930844, 13663555, 27327110, 54654220]

約数ペア:

[(1, 54654220), (2, 27327110), (4, 13663555), (5, 10930844), (10, 5465422), (20, 2732711), (421, 129820), (842, 64910), (1684, 32455), (2105, 25964), (4210, 12982), (6491, 8420)]