15959780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7321}}^1$

素因数の和:7439

約数の個数: 24

約数和(自身を含む): 33827640

約数和(自身を除く): 17867860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7321, 14642, 29284, 36605, 73210, 146420, 797989, 1595978, 3191956, 3989945, 7979890, 15959780]

約数ペア:

[(1, 15959780), (2, 7979890), (4, 3989945), (5, 3191956), (10, 1595978), (20, 797989), (109, 146420), (218, 73210), (436, 36605), (545, 29284), (1090, 14642), (2180, 7321)]