67871980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{308509}}^1$

素因数の和:308529

約数の個数: 24

約数和(自身を含む): 155489040

約数和(自身を除く): 87617060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 308509, 617018, 1234036, 1542545, 3085090, 3393599, 6170180, 6787198, 13574396, 16967995, 33935990, 67871980]

約数ペア:

[(1, 67871980), (2, 33935990), (4, 16967995), (5, 13574396), (10, 6787198), (11, 6170180), (20, 3393599), (22, 3085090), (44, 1542545), (55, 1234036), (110, 617018), (220, 308509)]