8488400

素因数分解:

$2^4\times 5^2\times {\mathrm{21221}}^1$

素因数の和:21239

約数の個数: 30

約数和(自身を含む): 20394342

約数和(自身を除く): 11905942

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 21221, 42442, 84884, 106105, 169768, 212210, 339536, 424420, 530525, 848840, 1061050, 1697680, 2122100, 4244200, 8488400]

約数ペア:

[(1, 8488400), (2, 4244200), (4, 2122100), (5, 1697680), (8, 1061050), (10, 848840), (16, 530525), (20, 424420), (25, 339536), (40, 212210), (50, 169768), (80, 106105), (100, 84884), (200, 42442), (400, 21221)]