51691600

素因数分解:

$2^4\times 5^2\times {\mathrm{129229}}^1$

素因数の和:129247

約数の個数: 30

約数和(自身を含む): 124190030

約数和(自身を除く): 72498430

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 129229, 258458, 516916, 646145, 1033832, 1292290, 2067664, 2584580, 3230725, 5169160, 6461450, 10338320, 12922900, 25845800, 51691600]

約数ペア:

[(1, 51691600), (2, 25845800), (4, 12922900), (5, 10338320), (8, 6461450), (10, 5169160), (16, 3230725), (20, 2584580), (25, 2067664), (40, 1292290), (50, 1033832), (80, 646145), (100, 516916), (200, 258458), (400, 129229)]