51803440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49811}}^1$

素因数の和:49837

約数の個数: 40

約数和(自身を含む): 129710448

約数和(自身を除く): 77907008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49811, 99622, 199244, 249055, 398488, 498110, 647543, 796976, 996220, 1295086, 1992440, 2590172, 3237715, 3984880, 5180344, 6475430, 10360688, 12950860, 25901720, 51803440]

約数ペア:

[(1, 51803440), (2, 25901720), (4, 12950860), (5, 10360688), (8, 6475430), (10, 5180344), (13, 3984880), (16, 3237715), (20, 2590172), (26, 1992440), (40, 1295086), (52, 996220), (65, 796976), (80, 647543), (104, 498110), (130, 398488), (208, 249055), (260, 199244), (520, 99622), (1040, 49811)]