7906520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1259}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 17917200

約数和(自身を除く): 10010680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1259, 1570, 2518, 3140, 5036, 6280, 6295, 10072, 12590, 25180, 50360, 197663, 395326, 790652, 988315, 1581304, 1976630, 3953260, 7906520]

約数ペア:

[(1, 7906520), (2, 3953260), (4, 1976630), (5, 1581304), (8, 988315), (10, 790652), (20, 395326), (40, 197663), (157, 50360), (314, 25180), (628, 12590), (785, 10072), (1256, 6295), (1259, 6280), (1570, 5036), (2518, 3140)]