40643780

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3559}}^1$

素因数の和:4139

約数の個数: 24

約数和(自身を含む): 85525440

約数和(自身を除く): 44881660

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 3559, 5710, 7118, 11420, 14236, 17795, 35590, 71180, 2032189, 4064378, 8128756, 10160945, 20321890, 40643780]

約数ペア:

[(1, 40643780), (2, 20321890), (4, 10160945), (5, 8128756), (10, 4064378), (20, 2032189), (571, 71180), (1142, 35590), (2284, 17795), (2855, 14236), (3559, 11420), (5710, 7118)]