204510400

素因数分解:

$2^6\times 5^2\times {\mathrm{127819}}^1$

素因数の和:127841

約数の個数: 42

約数和(自身を含む): 503227340

約数和(自身を除く): 298716940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 127819, 255638, 511276, 639095, 1022552, 1278190, 2045104, 2556380, 3195475, 4090208, 5112760, 6390950, 8180416, 10225520, 12781900, 20451040, 25563800, 40902080, 51127600, 102255200, 204510400]

約数ペア:

[(1, 204510400), (2, 102255200), (4, 51127600), (5, 40902080), (8, 25563800), (10, 20451040), (16, 12781900), (20, 10225520), (25, 8180416), (32, 6390950), (40, 5112760), (50, 4090208), (64, 3195475), (80, 2556380), (100, 2045104), (160, 1278190), (200, 1022552), (320, 639095), (400, 511276), (800, 255638), (1600, 127819)]