9391280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1$

素因数の和:1421

約数の個数: 40

約数和(自身を含む): 22096800

約数和(自身を除く): 12705520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1319, 1424, 1780, 2638, 3560, 5276, 6595, 7120, 10552, 13190, 21104, 26380, 52760, 105520, 117391, 234782, 469564, 586955, 939128, 1173910, 1878256, 2347820, 4695640, 9391280]

約数ペア:

[(1, 9391280), (2, 4695640), (4, 2347820), (5, 1878256), (8, 1173910), (10, 939128), (16, 586955), (20, 469564), (40, 234782), (80, 117391), (89, 105520), (178, 52760), (356, 26380), (445, 21104), (712, 13190), (890, 10552), (1319, 7120), (1424, 6595), (1780, 5276), (2638, 3560)]