2431480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 5540400

約数和(自身を除く): 3108920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 683, 712, 890, 1366, 1780, 2732, 3415, 3560, 5464, 6830, 13660, 27320, 60787, 121574, 243148, 303935, 486296, 607870, 1215740, 2431480]

約数ペア:

[(1, 2431480), (2, 1215740), (4, 607870), (5, 486296), (8, 303935), (10, 243148), (20, 121574), (40, 60787), (89, 27320), (178, 13660), (356, 6830), (445, 5464), (683, 3560), (712, 3415), (890, 2732), (1366, 1780)]