51997240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{24527}}^1$

素因数の和:24591

約数の個数: 32

約数和(自身を含む): 119206080

約数和(自身を除く): 67208840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 24527, 49054, 98108, 122635, 196216, 245270, 490540, 981080, 1299931, 2599862, 5199724, 6499655, 10399448, 12999310, 25998620, 51997240]

約数ペア:

[(1, 51997240), (2, 25998620), (4, 12999310), (5, 10399448), (8, 6499655), (10, 5199724), (20, 2599862), (40, 1299931), (53, 981080), (106, 490540), (212, 245270), (265, 196216), (424, 122635), (530, 98108), (1060, 49054), (2120, 24527)]