2805040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{5009}}^1$

素因数の和:5029

約数の個数: 40

約数和(自身を含む): 7454880

約数和(自身を除く): 4649840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 5009, 10018, 20036, 25045, 35063, 40072, 50090, 70126, 80144, 100180, 140252, 175315, 200360, 280504, 350630, 400720, 561008, 701260, 1402520, 2805040]

約数ペア:

[(1, 2805040), (2, 1402520), (4, 701260), (5, 561008), (7, 400720), (8, 350630), (10, 280504), (14, 200360), (16, 175315), (20, 140252), (28, 100180), (35, 80144), (40, 70126), (56, 50090), (70, 40072), (80, 35063), (112, 25045), (140, 20036), (280, 10018), (560, 5009)]