201581290

素因数分解:

$2^1\times 5^1\times {\mathrm{761}}^1\times {\mathrm{26489}}^1$

素因数の和:27257

約数の個数: 16

約数和(自身を含む): 363336840

約数和(自身を除く): 161755550

約数列:

[1, 2, 5, 10, 761, 1522, 3805, 7610, 26489, 52978, 132445, 264890, 20158129, 40316258, 100790645, 201581290]

約数ペア:

[(1, 201581290), (2, 100790645), (5, 40316258), (10, 20158129), (761, 264890), (1522, 132445), (3805, 52978), (7610, 26489)]