55688320

素因数分解:

$2^7\times 5^1\times {\mathrm{87013}}^1$

素因数の和:87032

約数の個数: 32

約数和(自身を含む): 133131420

約数和(自身を除く): 77443100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 87013, 174026, 348052, 435065, 696104, 870130, 1392208, 1740260, 2784416, 3480520, 5568832, 6961040, 11137664, 13922080, 27844160, 55688320]

約数ペア:

[(1, 55688320), (2, 27844160), (4, 13922080), (5, 11137664), (8, 6961040), (10, 5568832), (16, 3480520), (20, 2784416), (32, 1740260), (40, 1392208), (64, 870130), (80, 696104), (128, 435065), (160, 348052), (320, 174026), (640, 87013)]