1621326400

素因数分解:

$2^6\times 5^2\times {\mathrm{1013329}}^1$

素因数の和:1013351

約数の個数: 42

約数和(自身を含む): 3989480210

約数和(自身を除く): 2368153810

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 1013329, 2026658, 4053316, 5066645, 8106632, 10133290, 16213264, 20266580, 25333225, 32426528, 40533160, 50666450, 64853056, 81066320, 101332900, 162132640, 202665800, 324265280, 405331600, 810663200, 1621326400]

約数ペア:

[(1, 1621326400), (2, 810663200), (4, 405331600), (5, 324265280), (8, 202665800), (10, 162132640), (16, 101332900), (20, 81066320), (25, 64853056), (32, 50666450), (40, 40533160), (50, 32426528), (64, 25333225), (80, 20266580), (100, 16213264), (160, 10133290), (200, 8106632), (320, 5066645), (400, 4053316), (800, 2026658), (1600, 1013329)]