222753280

素因数分解:

$2^9\times 5^1\times {\mathrm{87013}}^1$

素因数の和:87036

約数の個数: 40

約数和(自身を含む): 534091932

約数和(自身を除く): 311338652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 87013, 174026, 348052, 435065, 696104, 870130, 1392208, 1740260, 2784416, 3480520, 5568832, 6961040, 11137664, 13922080, 22275328, 27844160, 44550656, 55688320, 111376640, 222753280]

約数ペア:

[(1, 222753280), (2, 111376640), (4, 55688320), (5, 44550656), (8, 27844160), (10, 22275328), (16, 13922080), (20, 11137664), (32, 6961040), (40, 5568832), (64, 3480520), (80, 2784416), (128, 1740260), (160, 1392208), (256, 870130), (320, 696104), (512, 435065), (640, 348052), (1280, 174026), (2560, 87013)]