57856640

素因数分解:

$2^7\times 5^1\times {\mathrm{90401}}^1$

素因数の和:90420

約数の個数: 32

約数和(自身を含む): 138315060

約数和(自身を除く): 80458420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 90401, 180802, 361604, 452005, 723208, 904010, 1446416, 1808020, 2892832, 3616040, 5785664, 7232080, 11571328, 14464160, 28928320, 57856640]

約数ペア:

[(1, 57856640), (2, 28928320), (4, 14464160), (5, 11571328), (8, 7232080), (10, 5785664), (16, 3616040), (20, 2892832), (32, 1808020), (40, 1446416), (64, 904010), (80, 723208), (128, 452005), (160, 361604), (320, 180802), (640, 90401)]