40374460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{288389}}^1$

素因数の和:288405

約数の個数: 24

約数和(自身を含む): 96899040

約数和(自身を除く): 56524580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 288389, 576778, 1153556, 1441945, 2018723, 2883890, 4037446, 5767780, 8074892, 10093615, 20187230, 40374460]

約数ペア:

[(1, 40374460), (2, 20187230), (4, 10093615), (5, 8074892), (7, 5767780), (10, 4037446), (14, 2883890), (20, 2018723), (28, 1441945), (35, 1153556), (70, 576778), (140, 288389)]