81387200

素因数分解:

$2^6\times 5^2\times {\mathrm{50867}}^1$

素因数の和:50889

約数の個数: 42

約数和(自身を含む): 200267316

約数和(自身を除く): 118880116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 50867, 101734, 203468, 254335, 406936, 508670, 813872, 1017340, 1271675, 1627744, 2034680, 2543350, 3255488, 4069360, 5086700, 8138720, 10173400, 16277440, 20346800, 40693600, 81387200]

約数ペア:

[(1, 81387200), (2, 40693600), (4, 20346800), (5, 16277440), (8, 10173400), (10, 8138720), (16, 5086700), (20, 4069360), (25, 3255488), (32, 2543350), (40, 2034680), (50, 1627744), (64, 1271675), (80, 1017340), (100, 813872), (160, 508670), (200, 406936), (320, 254335), (400, 203468), (800, 101734), (1600, 50867)]