11680520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6791}}^1$

素因数の和:6845

約数の個数: 32

約数和(自身を含む): 26896320

約数和(自身を除く): 15215800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6791, 13582, 27164, 33955, 54328, 67910, 135820, 271640, 292013, 584026, 1168052, 1460065, 2336104, 2920130, 5840260, 11680520]

約数ペア:

[(1, 11680520), (2, 5840260), (4, 2920130), (5, 2336104), (8, 1460065), (10, 1168052), (20, 584026), (40, 292013), (43, 271640), (86, 135820), (172, 67910), (215, 54328), (344, 33955), (430, 27164), (860, 13582), (1720, 6791)]