11257720

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{653}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 25427520

約数和(自身を除く): 14169800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 653, 862, 1306, 1724, 2155, 2612, 3265, 3448, 4310, 5224, 6530, 8620, 13060, 17240, 26120, 281443, 562886, 1125772, 1407215, 2251544, 2814430, 5628860, 11257720]

約数ペア:

[(1, 11257720), (2, 5628860), (4, 2814430), (5, 2251544), (8, 1407215), (10, 1125772), (20, 562886), (40, 281443), (431, 26120), (653, 17240), (862, 13060), (1306, 8620), (1724, 6530), (2155, 5224), (2612, 4310), (3265, 3448)]