139486400

素因数分解:

$2^6\times 5^2\times {\mathrm{87179}}^1$

素因数の和:87201

約数の個数: 42

約数和(自身を含む): 343227660

約数和(自身を除く): 203741260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 87179, 174358, 348716, 435895, 697432, 871790, 1394864, 1743580, 2179475, 2789728, 3487160, 4358950, 5579456, 6974320, 8717900, 13948640, 17435800, 27897280, 34871600, 69743200, 139486400]

約数ペア:

[(1, 139486400), (2, 69743200), (4, 34871600), (5, 27897280), (8, 17435800), (10, 13948640), (16, 8717900), (20, 6974320), (25, 5579456), (32, 4358950), (40, 3487160), (50, 2789728), (64, 2179475), (80, 1743580), (100, 1394864), (160, 871790), (200, 697432), (320, 435895), (400, 348716), (800, 174358), (1600, 87179)]