67898980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{40903}}^1$

素因数の和:40995

約数の個数: 24

約数和(自身を含む): 144309312

約数和(自身を除く): 76410332

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 40903, 81806, 163612, 204515, 409030, 818060, 3394949, 6789898, 13579796, 16974745, 33949490, 67898980]

約数ペア:

[(1, 67898980), (2, 33949490), (4, 16974745), (5, 13579796), (10, 6789898), (20, 3394949), (83, 818060), (166, 409030), (332, 204515), (415, 163612), (830, 81806), (1660, 40903)]