66995140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{176303}}^1$

素因数の和:176331

約数の個数: 24

約数和(自身を含む): 148095360

約数和(自身を除く): 81100220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 176303, 352606, 705212, 881515, 1763030, 3349757, 3526060, 6699514, 13399028, 16748785, 33497570, 66995140]

約数ペア:

[(1, 66995140), (2, 33497570), (4, 16748785), (5, 13399028), (10, 6699514), (19, 3526060), (20, 3349757), (38, 1763030), (76, 881515), (95, 705212), (190, 352606), (380, 176303)]