51636440

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5023}}^1$

素因数の和:5291

約数の個数: 32

約数和(自身を含む): 116657280

約数和(自身を除く): 65020840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5023, 5140, 10046, 10280, 20092, 25115, 40184, 50230, 100460, 200920, 1290911, 2581822, 5163644, 6454555, 10327288, 12909110, 25818220, 51636440]

約数ペア:

[(1, 51636440), (2, 25818220), (4, 12909110), (5, 10327288), (8, 6454555), (10, 5163644), (20, 2581822), (40, 1290911), (257, 200920), (514, 100460), (1028, 50230), (1285, 40184), (2056, 25115), (2570, 20092), (5023, 10280), (5140, 10046)]