28308560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50551}}^1$

素因数の和:50571

約数の個数: 40

約数和(自身を含む): 75221376

約数和(自身を除く): 46912816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50551, 101102, 202204, 252755, 353857, 404408, 505510, 707714, 808816, 1011020, 1415428, 1769285, 2022040, 2830856, 3538570, 4044080, 5661712, 7077140, 14154280, 28308560]

約数ペア:

[(1, 28308560), (2, 14154280), (4, 7077140), (5, 5661712), (7, 4044080), (8, 3538570), (10, 2830856), (14, 2022040), (16, 1769285), (20, 1415428), (28, 1011020), (35, 808816), (40, 707714), (56, 505510), (70, 404408), (80, 353857), (112, 252755), (140, 202204), (280, 101102), (560, 50551)]