51797440

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1$

素因数の和:1205

約数の個数: 56

約数和(自身を含む): 124248672

約数和(自身を除く): 72451232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1031, 1256, 1570, 2062, 2512, 3140, 4124, 5024, 5155, 6280, 8248, 10048, 10310, 12560, 16496, 20620, 25120, 32992, 41240, 50240, 65984, 82480, 161867, 164960, 323734, 329920, 647468, 809335, 1294936, 1618670, 2589872, 3237340, 5179744, 6474680, 10359488, 12949360, 25898720, 51797440]

約数ペア:

[(1, 51797440), (2, 25898720), (4, 12949360), (5, 10359488), (8, 6474680), (10, 5179744), (16, 3237340), (20, 2589872), (32, 1618670), (40, 1294936), (64, 809335), (80, 647468), (157, 329920), (160, 323734), (314, 164960), (320, 161867), (628, 82480), (785, 65984), (1031, 50240), (1256, 41240), (1570, 32992), (2062, 25120), (2512, 20620), (3140, 16496), (4124, 12560), (5024, 10310), (5155, 10048), (6280, 8248)]