51575600

素因数分解:

$2^4\times 5^2\times {\mathrm{128939}}^1$

素因数の和:128957

約数の個数: 30

約数和(自身を含む): 123911340

約数和(自身を除く): 72335740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 128939, 257878, 515756, 644695, 1031512, 1289390, 2063024, 2578780, 3223475, 5157560, 6446950, 10315120, 12893900, 25787800, 51575600]

約数ペア:

[(1, 51575600), (2, 25787800), (4, 12893900), (5, 10315120), (8, 6446950), (10, 5157560), (16, 3223475), (20, 2578780), (25, 2063024), (40, 1289390), (50, 1031512), (80, 644695), (100, 515756), (200, 257878), (400, 128939)]