28362980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34589}}^1$

素因数の和:34639

約数の個数: 24

約数和(自身を含む): 61016760

約数和(自身を除く): 32653780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34589, 69178, 138356, 172945, 345890, 691780, 1418149, 2836298, 5672596, 7090745, 14181490, 28362980]

約数ペア:

[(1, 28362980), (2, 14181490), (4, 7090745), (5, 5672596), (10, 2836298), (20, 1418149), (41, 691780), (82, 345890), (164, 172945), (205, 138356), (410, 69178), (820, 34589)]