80555600

素因数分解:

$2^4\times 5^2\times {\mathrm{201389}}^1$

素因数の和:201407

約数の個数: 30

約数和(自身を含む): 193535790

約数和(自身を除く): 112980190

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 201389, 402778, 805556, 1006945, 1611112, 2013890, 3222224, 4027780, 5034725, 8055560, 10069450, 16111120, 20138900, 40277800, 80555600]

約数ペア:

[(1, 80555600), (2, 40277800), (4, 20138900), (5, 16111120), (8, 10069450), (10, 8055560), (16, 5034725), (20, 4027780), (25, 3222224), (40, 2013890), (50, 1611112), (80, 1006945), (100, 805556), (200, 402778), (400, 201389)]