81743930

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{45667}}^1$

素因数の和:45853

約数の個数: 16

約数和(自身を含む): 147964320

約数和(自身を除く): 66220390

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 45667, 91334, 228335, 456670, 8174393, 16348786, 40871965, 81743930]

約数ペア:

[(1, 81743930), (2, 40871965), (5, 16348786), (10, 8174393), (179, 456670), (358, 228335), (895, 91334), (1790, 45667)]