68826980

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{6761}}^1$

素因数の和:7279

約数の個数: 24

約数和(自身を含む): 144842040

約数和(自身を除く): 76015060

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 6761, 10180, 13522, 27044, 33805, 67610, 135220, 3441349, 6882698, 13765396, 17206745, 34413490, 68826980]

約数ペア:

[(1, 68826980), (2, 34413490), (4, 17206745), (5, 13765396), (10, 6882698), (20, 3441349), (509, 135220), (1018, 67610), (2036, 33805), (2545, 27044), (5090, 13522), (6761, 10180)]