81710240

素因数分解:

$2^5\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1103}}^1$

素因数の和:1581

約数の個数: 48

約数和(自身を含む): 193632768

約数和(自身を除く): 111922528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 463, 926, 1103, 1852, 2206, 2315, 3704, 4412, 4630, 5515, 7408, 8824, 9260, 11030, 14816, 17648, 18520, 22060, 35296, 37040, 44120, 74080, 88240, 176480, 510689, 1021378, 2042756, 2553445, 4085512, 5106890, 8171024, 10213780, 16342048, 20427560, 40855120, 81710240]

約数ペア:

[(1, 81710240), (2, 40855120), (4, 20427560), (5, 16342048), (8, 10213780), (10, 8171024), (16, 5106890), (20, 4085512), (32, 2553445), (40, 2042756), (80, 1021378), (160, 510689), (463, 176480), (926, 88240), (1103, 74080), (1852, 44120), (2206, 37040), (2315, 35296), (3704, 22060), (4412, 18520), (4630, 17648), (5515, 14816), (7408, 11030), (8824, 9260)]