102760400

素因数分解:

$2^4\times 5^2\times {\mathrm{256901}}^1$

素因数の和:256919

約数の個数: 30

約数和(自身を含む): 246882822

約数和(自身を除く): 144122422

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 256901, 513802, 1027604, 1284505, 2055208, 2569010, 4110416, 5138020, 6422525, 10276040, 12845050, 20552080, 25690100, 51380200, 102760400]

約数ペア:

[(1, 102760400), (2, 51380200), (4, 25690100), (5, 20552080), (8, 12845050), (10, 10276040), (16, 6422525), (20, 5138020), (25, 4110416), (40, 2569010), (50, 2055208), (80, 1284505), (100, 1027604), (200, 513802), (400, 256901)]