81504070

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{45533}}^1$

素因数の和:45719

約数の個数: 16

約数和(自身を含む): 147530160

約数和(自身を除く): 66026090

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 45533, 91066, 227665, 455330, 8150407, 16300814, 40752035, 81504070]

約数ペア:

[(1, 81504070), (2, 40752035), (5, 16300814), (10, 8150407), (179, 455330), (358, 227665), (895, 91066), (1790, 45533)]