11485040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{20509}}^1$

素因数の和:20529

約数の個数: 40

約数和(自身を含む): 30518880

約数和(自身を除く): 19033840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 20509, 41018, 82036, 102545, 143563, 164072, 205090, 287126, 328144, 410180, 574252, 717815, 820360, 1148504, 1435630, 1640720, 2297008, 2871260, 5742520, 11485040]

約数ペア:

[(1, 11485040), (2, 5742520), (4, 2871260), (5, 2297008), (7, 1640720), (8, 1435630), (10, 1148504), (14, 820360), (16, 717815), (20, 574252), (28, 410180), (35, 328144), (40, 287126), (56, 205090), (70, 164072), (80, 143563), (112, 102545), (140, 82036), (280, 41018), (560, 20509)]