78817840

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2791}}^1$

素因数の和:3157

約数の個数: 40

約数和(自身を含む): 183836448

約数和(自身を除く): 105018608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2791, 2824, 3530, 5582, 5648, 7060, 11164, 13955, 14120, 22328, 27910, 28240, 44656, 55820, 111640, 223280, 985223, 1970446, 3940892, 4926115, 7881784, 9852230, 15763568, 19704460, 39408920, 78817840]

約数ペア:

[(1, 78817840), (2, 39408920), (4, 19704460), (5, 15763568), (8, 9852230), (10, 7881784), (16, 4926115), (20, 3940892), (40, 1970446), (80, 985223), (353, 223280), (706, 111640), (1412, 55820), (1765, 44656), (2791, 28240), (2824, 27910), (3530, 22328), (5582, 14120), (5648, 13955), (7060, 11164)]