156949720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{44087}}^1$

素因数の和:44187

約数の個数: 32

約数和(自身を含む): 357112800

約数和(自身を除く): 200163080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 44087, 88174, 176348, 220435, 352696, 440870, 881740, 1763480, 3923743, 7847486, 15694972, 19618715, 31389944, 39237430, 78474860, 156949720]

約数ペア:

[(1, 156949720), (2, 78474860), (4, 39237430), (5, 31389944), (8, 19618715), (10, 15694972), (20, 7847486), (40, 3923743), (89, 1763480), (178, 881740), (356, 440870), (445, 352696), (712, 220435), (890, 176348), (1780, 88174), (3560, 44087)]