87446620

素因数分解:

$2^2\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{2731}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 183819888

約数和(自身を除く): 96373268

約数列:

[1, 2, 4, 5, 10, 20, 1601, 2731, 3202, 5462, 6404, 8005, 10924, 13655, 16010, 27310, 32020, 54620, 4372331, 8744662, 17489324, 21861655, 43723310, 87446620]

約数ペア:

[(1, 87446620), (2, 43723310), (4, 21861655), (5, 17489324), (10, 8744662), (20, 4372331), (1601, 54620), (2731, 32020), (3202, 27310), (5462, 16010), (6404, 13655), (8005, 10924)]