140064128

素因数分解:

$2^7\times {\mathrm{109}}^1\times {\mathrm{10039}}^1$

素因数の和:10162

約数の個数: 32

約数和(自身を含む): 281622000

約数和(自身を除く): 141557872

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 436, 872, 1744, 3488, 6976, 10039, 13952, 20078, 40156, 80312, 160624, 321248, 642496, 1094251, 1284992, 2188502, 4377004, 8754008, 17508016, 35016032, 70032064, 140064128]

約数ペア:

[(1, 140064128), (2, 70032064), (4, 35016032), (8, 17508016), (16, 8754008), (32, 4377004), (64, 2188502), (109, 1284992), (128, 1094251), (218, 642496), (436, 321248), (872, 160624), (1744, 80312), (3488, 40156), (6976, 20078), (10039, 13952)]