15845240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20879

約数の個数: 32

約数和(自身を含む): 37530000

約数和(自身を除く): 21684760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20849, 41698, 83396, 104245, 166792, 208490, 396131, 416980, 792262, 833960, 1584524, 1980655, 3169048, 3961310, 7922620, 15845240]

約数ペア:

[(1, 15845240), (2, 7922620), (4, 3961310), (5, 3169048), (8, 1980655), (10, 1584524), (19, 833960), (20, 792262), (38, 416980), (40, 396131), (76, 208490), (95, 166792), (152, 104245), (190, 83396), (380, 41698), (760, 20849)]