51137200

素因数分解:

$2^4\times 5^2\times {\mathrm{127843}}^1$

素因数の和:127861

約数の個数: 30

約数和(自身を含む): 122858084

約数和(自身を除く): 71720884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 127843, 255686, 511372, 639215, 1022744, 1278430, 2045488, 2556860, 3196075, 5113720, 6392150, 10227440, 12784300, 25568600, 51137200]

約数ペア:

[(1, 51137200), (2, 25568600), (4, 12784300), (5, 10227440), (8, 6392150), (10, 5113720), (16, 3196075), (20, 2556860), (25, 2045488), (40, 1278430), (50, 1022744), (80, 639215), (100, 511372), (200, 255686), (400, 127843)]