2545090

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1831}}^1$

素因数の和:1977

約数の個数: 16

約数和(自身を含む): 4616640

約数和(自身を除く): 2071550

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 1831, 3662, 9155, 18310, 254509, 509018, 1272545, 2545090]

約数ペア:

[(1, 2545090), (2, 1272545), (5, 509018), (10, 254509), (139, 18310), (278, 9155), (695, 3662), (1390, 1831)]