3925960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 8983800

約数和(自身を除く): 5057840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1609, 2440, 3218, 6436, 8045, 12872, 16090, 32180, 64360, 98149, 196298, 392596, 490745, 785192, 981490, 1962980, 3925960]

約数ペア:

[(1, 3925960), (2, 1962980), (4, 981490), (5, 785192), (8, 490745), (10, 392596), (20, 196298), (40, 98149), (61, 64360), (122, 32180), (244, 16090), (305, 12872), (488, 8045), (610, 6436), (1220, 3218), (1609, 2440)]