20110400

素因数分解:

$2^6\times 5^2\times {\mathrm{12569}}^1$

素因数の和:12591

約数の個数: 42

約数和(自身を含む): 49488090

約数和(自身を除く): 29377690

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12569, 25138, 50276, 62845, 100552, 125690, 201104, 251380, 314225, 402208, 502760, 628450, 804416, 1005520, 1256900, 2011040, 2513800, 4022080, 5027600, 10055200, 20110400]

約数ペア:

[(1, 20110400), (2, 10055200), (4, 5027600), (5, 4022080), (8, 2513800), (10, 2011040), (16, 1256900), (20, 1005520), (25, 804416), (32, 628450), (40, 502760), (50, 402208), (64, 314225), (80, 251380), (100, 201104), (160, 125690), (200, 100552), (320, 62845), (400, 50276), (800, 25138), (1600, 12569)]