78165280

素因数分解:

$2^5\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1069}}^1$

素因数の和:1541

約数の個数: 48

約数和(自身を含む): 185242680

約数和(自身を除く): 107077400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 457, 914, 1069, 1828, 2138, 2285, 3656, 4276, 4570, 5345, 7312, 8552, 9140, 10690, 14624, 17104, 18280, 21380, 34208, 36560, 42760, 73120, 85520, 171040, 488533, 977066, 1954132, 2442665, 3908264, 4885330, 7816528, 9770660, 15633056, 19541320, 39082640, 78165280]

約数ペア:

[(1, 78165280), (2, 39082640), (4, 19541320), (5, 15633056), (8, 9770660), (10, 7816528), (16, 4885330), (20, 3908264), (32, 2442665), (40, 1954132), (80, 977066), (160, 488533), (457, 171040), (914, 85520), (1069, 73120), (1828, 42760), (2138, 36560), (2285, 34208), (3656, 21380), (4276, 18280), (4570, 17104), (5345, 14624), (7312, 10690), (8552, 9140)]