12953540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15797}}^1$

素因数の和:15847

約数の個数: 24

約数和(自身を含む): 27867672

約数和(自身を除く): 14914132

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15797, 31594, 63188, 78985, 157970, 315940, 647677, 1295354, 2590708, 3238385, 6476770, 12953540]

約数ペア:

[(1, 12953540), (2, 6476770), (4, 3238385), (5, 2590708), (10, 1295354), (20, 647677), (41, 315940), (82, 157970), (164, 78985), (205, 63188), (410, 31594), (820, 15797)]