12843845540

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1601477}}^1$

素因数の和:1601887

約数の個数: 24

約数和(自身を含む): 27039354552

約数和(自身を除く): 14195509012

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 1601477, 3202954, 6405908, 8007385, 16014770, 32029540, 642192277, 1284384554, 2568769108, 3210961385, 6421922770, 12843845540]

約数ペア:

[(1, 12843845540), (2, 6421922770), (4, 3210961385), (5, 2568769108), (10, 1284384554), (20, 642192277), (401, 32029540), (802, 16014770), (1604, 8007385), (2005, 6405908), (4010, 3202954), (8020, 1601477)]