28026520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{36877}}^1$

素因数の和:36907

約数の個数: 32

約数和(自身を含む): 66380400

約数和(自身を除く): 38353880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 36877, 73754, 147508, 184385, 295016, 368770, 700663, 737540, 1401326, 1475080, 2802652, 3503315, 5605304, 7006630, 14013260, 28026520]

約数ペア:

[(1, 28026520), (2, 14013260), (4, 7006630), (5, 5605304), (8, 3503315), (10, 2802652), (19, 1475080), (20, 1401326), (38, 737540), (40, 700663), (76, 368770), (95, 295016), (152, 184385), (190, 147508), (380, 73754), (760, 36877)]