145117180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10531}}^1$

素因数の和:10606

約数の個数: 48

約数和(自身を含む): 334412064

約数和(自身を除く): 189294884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 10531, 13780, 21062, 42124, 52655, 105310, 136903, 210620, 273806, 547612, 558143, 684515, 1116286, 1369030, 2232572, 2738060, 2790715, 5581430, 7255859, 11162860, 14511718, 29023436, 36279295, 72558590, 145117180]

約数ペア:

[(1, 145117180), (2, 72558590), (4, 36279295), (5, 29023436), (10, 14511718), (13, 11162860), (20, 7255859), (26, 5581430), (52, 2790715), (53, 2738060), (65, 2232572), (106, 1369030), (130, 1116286), (212, 684515), (260, 558143), (265, 547612), (530, 273806), (689, 210620), (1060, 136903), (1378, 105310), (2756, 52655), (3445, 42124), (6890, 21062), (10531, 13780)]